awesome useful websites

Потрясающие полезные веб -сайты

Исследуйте скрытые драгоценные камни в Интернете с этим списком потрясающих полезных веб -сайтов!

Большинство из этих веб -сайтов собраны с:

• Производство.com
• reddit.com/r/internetisbeautiful
• News.ycombinator.com
• x.com/indierandweb

Не стесняйтесь поделиться этим списком, составить его и внести свои собственные потрясающие находки.

Лексикон

Некоторые веб -сайты помечены символами, перечисленными ниже для удобства.

Символ	Значение
$	Требуется оплата (нет бесплатных вариантов)
~ $	Freemium (предлагает бесплатную версию, но требует оплаты дополнительных функций)
@	Дружелюбный студент (предлагает скидки или бесплатная версия для студентов)

Каждый веб -сайт включен только один раз. Некоторые веб -сайты могут попасть в несколько категорий. Если вы не можете найти то, что вам нужно в определенной категории, найдите ключевые слова или изучите другие соответствующие категории. Чтобы найти веб -сайты, используйте необработанную версию.

Содержимое

• Потрясающие полезные веб -сайты
  • Лексикон
• Содержимое
  • Инструменты
    • Белая доска
    • Карта разума / примечание
    • Диаграммы
    • Тексты
    • Автоматизация браузера
    • Сравнение
    • Файл
    • Конвертер / конверсия
      • Конверсия единицы
    • Визуальный
  • DIY
  • Культура
  • Язык
    • Грамматика
    • Слова и значения
  • Путешествовать
    • Globetrotting
    • Время
    • Полет
    • Погода
  • Здоровье
    • Качество воздуха
    • Еда
    • Газон/уход за двором
  • Музыка / аудио
    • Найти музыку
    • Бесплатная музыка
    • Смешайте звуки
    • Теория музыки
      • Рифма
    • Spotify
  • Фильмы и сериалы
    • Аниме
  • СМИ
    • X / Twitter
    • Reddit
  • Экономика
  • Бизнес
    • Финансы
    • Патенты
    • Маркетинг
      • Социальные сети
    • Тенденции
    • Встречи
  • Рабочие места
    • Удаленная работа
    • Фриланс
    • Портфель / резюме / резюме
    • Карьера
  • Стартапы
    • Неудачи
    • Поиск идей
    • Подключение
    • Дизайн
      • Цвета
      • Шрифты
      • Иконки / иконки
      • Стоковые изображения
      • Обои
  • Искусство
    • Фотография
    • Художественные сообщества
  • Академия
    • Изучение
    • Калькуляторы
    • MOOC (массовые открытые онлайн -курсы)
  • Наука
    • Биографии
    • Книги, статьи, тексты
      • Рекомендации и резюме книги
    • Карты и данные
      • Arxiv
    • Инфографика
    • Философия
    • Социальные науки
    • История
    • Геоссаука
    • Биология
  • Физика
    • Квант
      • Квантовые игры
    • Астрономия
  • Математика
    • Математика + искусство
  • Инженерный
    • Гражданское строительство
    • Машиностроение
      • Материалы / нанотехнология
      • Термодинамика
      • Контроль
      • Вибрации
    • Электронная техника
  • Информатика
    • Структуры данных и алгоритмы (DS & A)
    • Биг-о нотация
  • AI/ML
    • Робототехника
    • LLMS
    • Оперативная инженерия
    • ИИ инструменты
    • Наука данных
    • Базы данных
  • Веб -разработка
    • Внешний интерфейс
      • HTML
      • CSS
      • JavaScript
    • Бэк-Энд
      • Апис
      • SQL
    • Веб -аналитика
    • Web 3.0 Dev и Cryptocurrents
  • Программное обеспечение
    • Разработка Android
    • Разработка игры
      • Теория игры
      • Покемон
      • Шахматы
    • Внедрения
    • Linux
      • Вим
    • Git
      • GitHub
    • Иды
  • Конфиденциальность
    • Криптография
    • Гафа ​​альтернативы
    • Блокатор рекламы
    • Электронные письма
      • Одноразовое электронное письмо
    • Нарушение данных
    • Поиск
    • Интернет
      • DNS
    • URL
      • Укороченный URL
    • VPN
    • Фальшивая информация генерация
    • Генерация пароля
  • Softwares
    • Фрагменты
    • Линтерс
    • Тестирование
    • Регулярно
    • Без кода
      • Лицензирование
  • Языки программирования
    • Питон
    • C ++
  • Практика кодирования / конкурентное программирование
    • Захватить флаг
    • Проекты
    • Открытый исходный код
    • Хакатоны
  • Чит -листы
    • Шпаргалка Python
    • Шпаргалка фронта
      • HTML -шпаргалка
      • Шпаргалка CSS
  • Создание компьютера / сборки ПК
    • Клавиатура
      • Практика набора текста
      • Комплект клавиш
  • Другие сайты веб -сайтов
• Внося
• Отказ от ответственности
• ЛИЦЕНЗИЯ

Инструменты

• 5000best Tools - 5000 инструментов.
• 10015.io-бесплатный набор инструментов для всех в одном для различных задач.
• Unlooths - Сборник мыслительных инструментов и рамок.
• TimeTravel Memento - Найдите сувениры в интернет -архиве, Archive -It, Британская библиотека, Archive.Today, GitHub и многое другое.
• Discu.eu - Не отставайте от тем, которые вас заботятся через еженедельную рассылку, социальные и боты, расширения браузера, Bookmarklet.
• PROMOWIZARD - Получите промо -коды, не потребляя часы контента на YouTube.
• We Wayswiki - спасает удаленные статьи и отвергнутые черновики из Википедии на нескольких языках и приветствуют новые статьи.
• Lunar - многофункциональное приложение для контроля мониторов.
• Gethuman - Получите представителя по телефону быстрее и получайте лучшую помощь от известных компаний.
• S -EINS Scratchpad - онлайн -инструмент Scrackpad, разработанный для быстрых заметок, расчетов и неформального письма.

Белая доска

• Typehere - пустой веб -сайт, где вы можете только ввести.
• Pixelpaper - Free -Forever Digital Whiteboard без регистрации может быть встроена в продукты SaaS.
• Excalidraw-доска, где вы можете нарисовать нарисованные вручную диаграммы.
• Excalideck - приложение для авторизации слайд -колод, которые выглядят нарисованными вручную, на основе Excalidraw.
• Пустая страница - Простая веб -страница с отображением пустой белой страницы.
• Kid Pix - программа рисования растрового изображения, предназначенная для детей, предлагающая веселый, удобный интерфейс для творческого и интерактивного цифрового произведения.
• Крита - бесплатное программное обеспечение для цифровой живописи с открытым исходным кодом, разработанное для художников, предлагая передовые инструменты для иллюстрации, концептуального искусства и рисования текстур.

Карта разума / примечание

• Relanote (~ $) - связывание ваших заметок для разработки паутины мыслей.
• Bubbl.us - Mind Maping Online.
• Mindmup - бесплатное онлайн -картирование ума.
• Анотепад - онлайн блокнот. Нет входа в систему. Загрузите свою заметку как PDF или Word Document.
• Notes.io - веб -приложение для принятия заметок.

Диаграммы

• Творчество - подключенное к данным визуальное рабочее пространство для мозгового штурма, планирования, выполнения и захвата знаний.
• Draw.io-с открытым исходным источником, технологический стек безопасности для приложений для строительных диаграмм. Для использования в Интернете.
• Orgpad (~ $) - интерактивная онлайн -карта разума.
• LUCIDCHART (~ $) - приложение для диаграммы и блок -схемы, которое объединяет команды для принятия лучших решений и создания будущего.
• Узнайте что угодно - платформа для организации знаний мира, изучения связей и кураторских путей обучения.

Тексты

• Слово счетчик - счетчик слов.
• Текстовые лица - Напишите лица Unicode.
• Заголовок - преобразовать текст во все виды случаев.
• Причудливый текстовый генератор - преобразовать текст в все виды шрифтов.
• Callicraphr - Превратите свой почерк или каллиграфию в шрифт.
• Dongerlist - набор символов Unicode, собранного для формирования текстового смайлика.
• Учебник ASCII -ART - Учебное пособие по ASCII Art.
• Комбинации эмодзи - сбор комбинаций и последовательностей смайликов.
• ASCII World - Платформа с изображением ASCII Искусство и Учебные пособия.
• Rentry - онлайн -совместный редактор Markdown.

Автоматизация браузера

• Автомат - расширение Chrome для автоматизации браузера.
• Browse.ai - платформа для извлечения, настройки кликов и мониторинга данных с любого веб -сайта.
• Tango-инструмент для создания пошаговой документации, практических книг и руководств по продуктам с экранами.
• Bookmarkos - позволяет вам отфильтровать через различных менеджеров за закладки.

Сравнение

• Сравнение приложений для обмена сообщениями в социальных сетях - Подробное сравнение и анализ приложений для обмена сообщениями в социальных сетях.
• Dxomark - научные тесты и данные на смартфонах, датчиках, линзах и динамиках.
• TechSpecs сравнивают телефоны - Сравните спецификации телефонов.
• TechSpecs - Поисковая система для потребительских продуктов электроники.
• Kimovil - Сравните спецификации и цены на смартфоны и планшеты.
• Diffchecker - сравните текст, изображение, PDF и многое другое, чтобы найти различия между файлами.
• CodingFont - геймфицированный опыт для сравнения и поиска шрифтов кодирования.
• Это против этого - введите две вещи, чтобы сравнить их друг с другом.
• Сравнение приложений для обмена сообщениями - платформа сравнения для безопасных приложений для обмена сообщениями.
• RTINGS - подробные обзоры и сравнения аудио и визуального оборудования, включая телевизоры, мониторы, наушники и звуковые панели, с подробным тестированием и оценками.

Файл

• Червоточила-платформа для обмена файлами с сквозном шифрованием и ссылкой, которая автоматически истекает.
• Beybase-сквозной зашифрованный зашифрованный обмен сообщениями и обмен файлами.
• MediaFire - платформа для хранения и обмена файлами (с параметрами подписки).
• Zippyshare-Служба обмена файлами без необходимости регистрации, без ограничений загрузки, бесплатного и неограниченного дискового пространства.

Конвертер / конверсия

• PDF2DOC - Бесплатный онлайн PDF для Doc Converter.
• Online -Convert - конвертировать медиа -файлы в Интернете между различными форматами.
• JPG в PNG - бесплатные инструменты преобразования файлов для различных форматов.
• Conversion -Tool - предлагает широкий спектр бесплатных онлайн -коммунальных услуг.
• Zamzar - конвертировать документы, изображения, видео и звук в 1100+ форматах.
• Web2pdfconvert - конвертировать веб -страницы или HTML в PDF или форматы изображений.
• SmallPDF - 21 инструменты для конвертации, сжатия и редактирования PDFS бесплатно.
• Corpt-A-file-поврежден любой файл в Интернете (используйте свой собственный риск).
• CloudConvert - онлайн -конвертер файлов с поддержкой 200+ форматов.
• OnlineOCR - изображение в текстовый конвертер с поддержкой OCR.
• PDF Candy - онлайн -инструменты для работы с файлами PDF.
• Pdfescape - онлайн бесплатный редактор PDF и заполнитель формы.
• Printit - Служба для печати веб -страниц как PDF с различными параметрами настройки.

Конверсия единицы

• Unitconverters - онлайн -платформа для преобразования различных единиц.
• OnlineConversion - инструмент для преобразования всего чего -либо еще, с тысячами единиц и миллионов конверсий.
• Текст в двоичный преобразование - онлайн -инструмент для преобразования текста в двоичный.

Визуальный

• UNSCREEN - Удалить видео -фон автоматически и бесплатно.
• Удалить.bg - автоматически удалить фон изображения и бесплатно.
• Coco Cripping - Удалите фон изображения.
• Designify ($) - Создайте дизайн с AI, автоматически удаляя фон, улучшив цвета, настраивая умные тени и многое другое.
• PFPMAKER - Сделайте снимки профиля с любой фотографии.
• JPEG -Optimizer - Бесплатный онлайн -инструмент для изменения размера и сжатия цифровых фотографий и изображений.
• Extract.Pics - Извлеките изображения с любого публичного веб -сайта с использованием виртуального браузера.
• Сгенерировано. Photos-уникальный, беззаботный (сгенерированный AI), бесплатно для загрузки модельных фотографий.
• Zoom.it - ​​Создайте, увеличиваемые изображения с высоким разрешением.
• Vectormagic - конвертировать растровые карты (JPG, PNG, GIF) в векторы (PDF, SVG, EPS).
• Screenshot.guru - Возьмите экраны с высоким разрешением на веб -сайтах и ​​твитах.
• Украденные камеры - используйте серийный номер, хранящийся на ваших фотографиях для поиска в Интернете для других фотографий, сделанных с той же камерой.
• Ribbet (~ $) - Инструменты редактирования фото.
• Crossfade.io - веб -видео -карнизы с ваших любимых сайтов.
• GOPROHEROES - GoPro Videos в Интернете.
• Synthesia ($) - платформа создания видео, которая создает видео из текста за минуты.
• Clipdrop (~ $) - Создайте потрясающие визуальные эффекты за считанные секунды, работающие на AI.
• Reface - Создайте видеоролики для обмена лица, мобильное приложение, работающее на ИИ.
• ФИРОКЕРИЯ (~ $) - ИИ, который рисует ваши мечты с помощью пикселей, еще одна версия Dall -e.
• Shottr - крошечный и быстрый инструмент экрана MacOS с аннотациями, прокручивающимися скриншотами и возможностями загрузки облаков.
• 3D GIF Maker - легко создайте 3D GIF -файлы из ваших изображений.
• Ezgif - онлайн -производитель GIF и редактор изображений для создания и редактирования GIF.
• Pimeyes - поисковая система распознавания лица и обратный поиск изображений для поиска изображений, содержащих конкретного человека.
• Визуальные иллюзии - сбор визуальных иллюзий и демонстраций.
• Byclickdownloader - Резервные видео с различных сайтов в HD, MP3, MP4, AVI и других форматах с использованием их программного обеспечения.
• Реанимат - Построить декларативную анимацию с SVG и Haskell.

DIY

• Wikihow - совместная платформа для создания и обмена практическими руководствами.
• ManualLib - онлайн -репозиторий руководств и руководств пользователя.
• Это - научитесь клейте различные материалы вместе.
• Howstuffworks - Исследуйте, как все работает с подробными объяснениями и статьями.
• Wonderhowto-Узнайте, как что-либо делать с учебными видеороликами и пошаговыми руководствами.
• Кубки - серия учебных/справочных книг.
• Doityourself - Ресурсы для проектов DIY и улучшения дома.
• JScreenFix - алгоритм фиксации пикселей для восстановления дефектных пикселей, особенно для застрявших пикселей. Установка не требуется, и это бесплатно.
• Осел-автомобиль-Сделай DIY с открытым исходным кодом платформу для самостоятельного вождения для небольших автомобилей. Он сочетает в себе автомобиль RC с Raspberry Pi и оснащен Python (Tornado, Keras, Tensorflow, OpenCV и т. Д.).
• Instructables - платформа для обнаружения и обмена проектами DIY.
• ifixit - предоставляет бесплатные руководства по ремонту и руководства для широкого спектра электроники, приборов и других продуктов, позволяющих пользователям самостоятельно исправлять предметы, внесенные сообществом.
• Исправьте это клуб - Сэкономьте деньги на ремонте дома с помощью полезных руководств.
• Bookcrossing - выпустите свои книги «в дикую природу», чтобы незнакомцы могли найти или выполнить «контролируемый релиз» другому участнику Bookcrossing, и отслеживать их путешествие через записи журнала со всего мира.
• Размеры - платформа, предлагающая визуальные справочные конструкции для размеров и измерений по различным категориям.
• Клиника ремонта-самый продолжительный источник для подлинного прибора, HVAC и открытых электроэнергии в Северной Америке, предлагая советы экспертов, практические ресурсы и поддержку для ремонта DIY. Дополнившись профессионалами и домовладельцами, сайт предоставляет высококачественные детали OEM и рекомендации, чтобы помочь пользователям успешно завершить свой ремонт.

Культура

• Культурный атлас - образовательные ресурсы, предоставляющие комплексную информацию о культурном опыте.
• Quotemaster - платформа с 98 683 категориями и 1488 431 цитатами.
• Factslides - предлагает 1001 факт о различных темах с источниками.
• Starkey Comics - веб -сайт с красочными изображениями и сообщениями о культуре и языке.
• Необычные статьи Википедии - Сборник необычных статей Википедии.
• Список общих заблуждений - страница Википедии в перечислении общих заблуждений.
• За названием - предоставляет этимологию и историю имен.
• За фамилией - предлагает этимологию и историю фамилий.
• Nameberry - платформа для детских имен от экспертов, включая популярные имена, уникальные имена, имена девочек, имена мальчиков и имена нейтральных.
• Библиотека жонглирования - онлайн -ресурс списка все популярные (и, возможно, не очень популярные) трюки жонглирования в одном организованном месте.
• Toaster Central - Коллекция рабочих винтажных тостеров.
• Все о Берлине - платформе, предлагающая гиды и информацию для людей, планирующих поселиться в Берлине. Включает подробную информацию о получении виз, поиске рабочих мест, обеспечении квартир и многом другом.
• Unita - платформа для открытия, сравнения и просмотра лучших сообществ, вдохновителей и онлайн -групп в более чем 30 категориях.
• Советы по спасению комнаты - советы, хитрости и головоломки для спасения

Язык

• YouGlish - используйте YouTube, чтобы улучшить свое произношение английского языка.
• Voscreen - платформа, предоставляющая видео фрагменты английских предложений; Проверьте свое понимание, выбрав перефразированные предложения.
• Новости на уровнях - World News, адаптированные для студентов английского языка.
• Розовый тромбон - интерактивное моделирование человеческого рта и его звуки с использованием анимированной голосовой коробки.
• Японский вики -корпус - ресурс, полученный из японско -английского двуязычного корпуса в Киотских статьях Википедии.
• Латинские фразы - ссылка на поиск переводов латинских фраз.
• Prismatext - Смешайте самые полезные иностранные слова и фразы в ваших любимых романах и историях.
• Понли - веб -сайт с веселым и юмористическим содержанием и шутками.
• Tunge -Twister - крупнейшая в мире коллекция свистеров с 3660 записями на 118 языках
• OLAC (Сообщество Archives Open Language) - Международная сеть учреждений и отдельных лиц, работающих над созданием глобальной виртуальной библиотеки языковых ресурсов, сосредоточенной на практике цифрового архивации и предоставлении совместимых репозитории для доступа к лингвистическим данным.

Грамматика

• Граммам - Комплексное руководство по правилам английской грамматики.
• Руководство по пунктуации - Ресурс, предлагающий руководство по американским правилам пунктуации.
• Прогрессивная пунктуация - Сбор нестандартных отметок пунктуации.
• Purdue Owl - онлайн -лаборатория письма Университета Пердью, предоставляя ресурсы по написанию, грамматике и стилям цитирования.
• Поддержка онлайн -письма Университета Тоусона - поддержка онлайн -письма и грамматические ресурсы.
• Грамматический монстр - платформа, предлагающая бесплатные уроки и тесты английской грамматики.
• Fraze It - платформа с более чем 100 миллионами предложений.

Слова и значения

• Educalingo - платформа для поиска синонимов, использования, тенденций, статистики и многого другого для слов.
• Прекрасный словарь - Комплексная информация о словом.
• Академия Короны - Английский - простые, лаконичные и четкие объяснения различных концепций английского языка.
• Спросите различие - предлагает короткие и краткие различия между двумя похожими предметами.
• Ключевые различия - веб -сайт, ориентированный на представление различий и сравнений.
• Differwine.info - обеспечивает описательный анализ и сравнения между различными понятиями.
• Список слов Уэйнского государственного университета - компиляция слов, которые заслуживают более широкого использования, курируют Уэйнский государственный университет.
• Все аббревиатуры - общинные аббревиатуры и словарь сокращений.
• Как профессионально сказать - руководство для вашего ежедневного профессионального взаимодействия, помогая вам ориентироваться в различных ситуациях с профессиональным тоном.
• Business English Resources - коллекция бесплатных ресурсов для улучшения ваших навыков бизнес -английского языка.
• Цифровой глоссарий - предоставляет терминологические слова на турецком, английском и немецком языке для цифровых контекстов.
• Bilim Terimleri - Турецкая платформа предоставляет объяснения и определения для различных терминов.

Путешествовать

• AirHeart - ограничения на поездки - оставайтесь в курсе ограничений на поездки и требованиях для вашей поездки, включая ограничения COVID -19.
• Код страны - руководство для звонка в любом месте мира, предоставляя коды страны для международного набора.
• Паспортный индекс - Исследуйте информацию о паспортах со всего мира, включая рейтинги и детали.
• Страны были - мобильное приложение для отслеживания и перечисления стран, которые вы посетили, предлагая различные функции.
• Couchsurfing - Связаться с глобальным сообществом людей, которые делятся своими домами и опытом бесплатно.
• Puffin Maps-планировщик поездок в один без рекламы, помогая вам организовать ваши планы поездок.
• Alltrails - Исследуйте базу данных по 300 тысячам троп с обзорами и фотографиями от энтузиастов на открытом воздухе.
• WanderPrep - ранее предоставил советы по оборудованию, приложениям и советам по путешествиям для более разумных путешествий.
• Looria - доверенная платформа, чтобы найти честную информацию о продукте.
• Приложение Trip Destination (iOS) - бесплатное приложение для iPhone для поиска и планирования пунктов назначения.
• Freecycle - сеть для людей, которые дают и получают предметы бесплатно в своих местных сообществах.
• Roadtrippers-спланируйте свой маршрут и используйте навигацию по поворотам, чтобы исследовать различные достопримечательности в вашей поездке.
• Mountain Project - бесплатный, краудсорсинговый гид по подъемным местам по всему миру.
• Добро пожаловать в мой сад - некоммерческая сеть, предлагающая бесплатные места для кемпинга в частных садах для медленных путешественников.
• Тепловые шоки - сообщество велосипедных туристов и хозяев, поддерживающих их во время их путешествий.
• Slowby - платформа, предлагающая высококачественные медленные поездки для путешествий для уникального путешествия.

Globetrotting

• Случайный уличный вид - исследуйте улицы со всего мира, не выходя из дома.
• Виртуальный отпуск - виртуальный тур по всему миру, не выходя из дома.
• MapCrunch - Опыт мир через Google Street View, телепортируя в случайные места.

Время

• Каждый часовой пояс - сравнение визуального часового пояса для разных стран.
• Время и дата - предоставляет календари, часы и различную информацию, связанную с по времени.
• Time.is - отображает точное, официальное время атомного часа для любого часового пояса на 51 языке, охватывая более 7 миллионов мест.

Полет

• Seatguru - Исследуйте 1278 карт сидений самолета, чтобы найти свои.
• Flightradar24 - Глобальная служба отслеживания полетов, предоставляющая информацию в режиме реального времени о тысячах самолетов по всему миру.
• Skyscanner - Поисковая система полета, позволяющая пользователям искать рейсы по дате, цене и бюджету.

Погода

• Hint.FM Карта ветра - Деликатный узор ветра, текущий по США.
• Windy - Комплексная информация о погоде для любого места.
• Zoom Earth - визуализация мира в реальном времени, отслеживание тропических штормов, ураганов, суровой погоды, лесных пожаров и многого другого.
• Земля Nullschool - Визуализация глобальных погодных условий прогноз суперкомпьютерами, обновляемых каждые три часа.
• OpenWeatherMap - платформа, обеспечивающая прогнозы погоды, новостные и исторические данные о погоде быстро и элегантно.
• Radiosondy - отслеживает метеорологические радиозонды, предоставляя базу данных текущих и прошлых рейсов Radiosonde, включая такую ​​информацию, как сайт запуска, тип, последний кадр, курс, скорость, высота и частота. (ПРИМЕЧАНИЕ: Radiosonde-это инструмент телеметрии с батарейным питанием, который обычно переносят в атмосферу с помощью погодного воздушного шара.)

Здоровье

• Musclewiki - платформа, чтобы узнать о вашем теле и мышцах.
• Через минуту - протестируйте свою хроноцепцию (чувство прохождения) за одну минуту.
• Futureme - платформа, чтобы написать письмо вашему будущему.
• Strobe.cool - Создайте визуальные стимулы с использованием стробоскопических эффектов.
• Unlooths-Сбор инструментов и рамок для мышления, чтобы помочь в решении проблем, принятии решений и понимании систем.
• Загадка - платформа, предлагающая логические головоломки с простыми правилами и сложными решениями.
• Что вы должны делать со своей жизнью? - Статья, предоставляющая указания и советы по жизненным решениям.
• Внутреннее тело - исследования для обзоров и исследований о продуктах для здоровья, услугах и многом другом.
• Калькулятор сна - инструмент, который помогает пользователям определять лучшее время для ложиться спать на основе желаемого времени пробуждения, оптимизации циклов сна для лучшего отдыха и бдительности.
• SimpleLab - обеспечивает быстрое, надежное экологическое тестирование в США, используя облачную платформу для эффективной выборки, тестирования и управления данными.

Качество воздуха

• Индекс качества воздуха (Европейское агентство по охране окружающей среды) - предоставляет данные о качестве воздуха в реальном времени по всей Европе с интерактивной картой, которая визуализирует уровень загрязнения воздуха и их влияние на здравоохранение.
• Berkeley Earth - некоммерческая организация, сосредоточенная на предоставлении точных и всесторонних данных о качестве и климате воздуха, с инструментами для визуализации экологических данных во всем мире.
• Индекс качества воздуха World - предлагает информацию о качестве воздуха в режиме реального времени со всего мира, предоставляя интерактивную карту и подробные данные о уровнях загрязнения и их влиянии на здоровье.
• IQAIR - управляет крупнейшей в мире бесплатной платформой мониторинга качества воздуха в режиме реального времени, предоставляя критические данные отдельным лицам, исследователям и правительствам для мониторинга и борьбы с загрязнением воздуха, в конечном итоге помогая защитить глобальное здравоохранение.

Еда

• Gobento-платформа взаимодействия сфокусирована на улучшении здоровья и благополучия членов группы риска, особенно тех, кто испытывает отсутствие продовольственной безопасности.
• MyFridgeFood - платформа, которая позволяет пользователям проверять ингредиенты, которые им приходится найти рецепты, которые они могут сделать с этими ингредиентами.
• Просто рецепт - платформа, которая предоставляет прямые инструкции с любого сайта рецепта без рекламы и всплывающих окнов.
• Два гороха и их капсул - сайт рецепта, предлагающий различные рецепты.
• HelloFresh - Служба доставки комплекта, где пользователи могут выбирать рецепты, а HelloFresh доставляет ингредиенты прямо к своей двери.

Газон/уход за двором

• Здоровые дворы - предлагаются ресурсы и советы для экологически чистых и устойчивых методов ухода за газонами, с акцентом на пользу местной дикой природы и окружающей среде.
• Доморощенный национальный парк - предоставлена ​​информация о создании коридоров дикой природы и содействии биоразнообразию путем посадки местных видов.
• Сохранение бабочек - подробности о сохранении бабочек и моли, включая защиту видов и возможности участия.
• Общество XERCES - доступно руководство по сохранению опылителей и беспозвоночных, включая восстановление среды обитания и устойчивую практику.
• Помимо пестицидов - ресурсы по органической и устойчивой практике для снижения использования пестицидов и защиты общественного здравоохранения и окружающей среды предоставляются.
• Национальный информационный центр пестицидов - предлагается научная информация об использовании пестицидов, руководящих принципах безопасности и информационных листах для потребителей и медицинских работников.

Музыка / аудио

• Khinsider - Видео и ПК.
• Онлайн -генератор тона - генерировать тона, и вы также можете загрузить их в формате WAV.
• Музыкальные чарты Tello - Узнайте последние музыкальные графики всех стран мира.
• Музыкальная лаборатория - изучение музыки более доступна с помощью веселых, практических экспериментов.
• Rap4ever - Explore Rap Songs, тексты песен, микстейпов, альбомов, артистов и многое другое.
• Каждый шум-постоянная попытка сгенерировать алгоритмически рассеянный график музыкального жанрового пространства.
• Mp3cut - trim или вырезать любой аудиофайл онлайн.
• Mp3gain - увеличение, уменьшение и нормализуйте уровень громкости аудиофайлов MP3 (ограничение размера 60 м на файл).
• Волшебный плейлист - введите свою любимую песню и создайте идеальный плейлист.
• MOISES AI - Играйте с любимыми артистами в любом ключе, на любой скорости.
• Drumeo - научитесь играть на барабанах с лучшими учителями в мире.
• Soundlove - необычные алгоритмы синтеза, чтобы добавить немного случайности и непредсказуемости к музыке.
• Audionautix - музыка, составленная и продюсирована Джейсоном Шоу, бесплатно для загрузки и использования (даже для коммерческих целей).
• Typatone - генерируйте свою собственную музыку, набрав на клавиатуре.
• Incredibox - музыкальное приложение, которое позволяет создавать собственную музыку с помощью веселой команды Beatbobers.
• Сампурр - попробовать аудио из Интернета.
• AudioCheck - Проверьте свое аудио оборудование онлайн.
• Mixlr ($) - Поделиться качеством живого аудио онлайн. Транслируйте, используя любой источник, пригласите людей послушать и общаться в режиме реального времени (бесплатно для просто слушания).
• Узнайте хоровой музыки-музыкальный инструмент John's Musical Instrument Digital Interface (MIDI) Коллекция файлов известных хоровых работ в форме с голосовой подготовкой, доступная для бесплатной загрузки.
• Фестиваль Bandura - онлайн Bandura, традиционный украинский инструмент.
• Allmusic - предоставляет комплексную и подробную информацию об альбомах, артистах, песнях и группах, которая служит ценным ресурсом для любителей музыки.
• Микрофоны ASMR - отзывы, сравнения и экспертные мнения по различным микрофонам ASMR предоставляются, чтобы помочь пользователям выбрать наиболее подходящее оборудование.

Найти музыку

• Lalal.ai - экстракт вокал, сопровождение и различные инструменты из любого аудио.
• Audd.io - распознавать музыку или то, что играет из звука или потоков.
• Музыкальная карта - Откройте для себя похожую музыку на основе ваших предпочтений.
• Коммерческая тюрьма - Определите песни, представленные в рекламных роликах.

Бесплатная музыка

• Protzel Rocks - Stream -Safe Music для Twitch и YouTube.
• Incompetech - музыкальная коллекция без роялти.
• Chosic - Бесплатная фоновая музыка как для коммерческого, так и для некоммерческого использования.

Смешайте звуки

• Hidden Life Radio - прямая трансляция музыки, полученная из биоданных деревьев в Кембридже, штат Массачусетс.
• Noisli - Создайте и слушайте звуки фоновых, чтобы улучшить фокус и производительность, или расслабиться и расслабиться.
• Soundrop - интерактивный музыкальный проигрыватель, где вы можете создавать красивые узоры, которые генерируют музыку.
• Soundlove - инструмент, который помогает вам открыть и создавать плейлисты на основе вашего настроения.
• Дождливое настроение - наслаждайтесь успокаивающими звуками дождя для расслабления, сна и учебы.
• Я скучаю по офису - генератор офисного шума, обеспечивающего окружающие звуки современной офисной жизни, чтобы помочь воссоздать офисную атмосферу, работая из дома.

Теория музыки

• Терия
• Musictheory.net
• Все о теории музыки - клавиатура пианино, музыкальная нотация, крупная шкала
• Студия Гуру - Примечание частотная диаграмма

Рифма

• Rhymezone - Найдите рифмы, синонимы, прилагательные и многое другое.
• Rhymer - Бесплатный онлайн -рифмованный словарь.

Spotify

• Chosic - Откройте для себя новую музыку, анализируя свои плейлисты.
• Пудинг - ИИ обучен оценить музыкальный вкус.
• Откройте для себя музыку - откройте для себя новую музыку на своем вкусе.
• Spottr - Просмотреть свою статистику Spotify.
• Мутатор плейлиста - мутируют существующие плейлисты в React.
• Tunemymusic - Переводные плейлисты между музыкальными службами.

Фильмы и сериалы

• Kanopy (@) - потоковая платформа, предлагающая тысячи фильмов бесплатно с поддержкой библиотеки или университета.
• Карта фильма - Найдите подобные фильмы на основе ваших предпочтений.
• Реддит предложения фильма - Список предложений фильмов из различных жанров.
• Хороший фильм для просмотра - отобранные, высоко оцененные фильмы и телешоу.
• Tubi TV - Бесплатная потоковая служба предлагает широкий спектр фильмов и телешоу.
• Tiii.me - Рассчитайте общее время, которое вы потратили на просмотр телевизионных шоу.
• JustWatch - руководящая платформа для поиска и потоковых фильмов и телешоу.
• База данных настройки фильмов - организованная коллекция из более чем 30 000 фильмов и телешоу по их настройкам.
• Relgood Netflix Roulette - случайно предлагает фильм или телешоу, доступное на Netflix.
• REELGOOD - Просмотрите, ищите и смотрите телевизионные шоу и фильмы из более чем 150 сервисов, включая Netflix, Hulu, HBO, Disney+, Prime Video и многое другое.
• Звуки фильма - Архив бесплатных цитат из фильмов с короткими звуковыми клипами и спецэффектами.
• TuneFind - Откройте для себя музыку из ваших любимых телешоу и фильмов.
• IMSDB - самая большая коллекция сценариев фильма, доступная в Интернете.
• Физика в кино и телевидении - блог, исследующий изображение физических концепций в фильмах и телевидении.
• MardFilm - платформа для редких и старых фильмов.
• У меня нет телевизора - смотреть бесплатные онлайн -документальные фильмы.
• WCOSTREAM - потоковая серия бесплатных мультфильмов и аниме.
• Посмотреть документальные фильмы - веб -сайт, предлагающий коллекцию документальных фильмов по различным темам.
• Senses of Cinema - один из самых ранних онлайн -журналов кино, известных своими профессиональными, высококачественными контентами, связанными с исследованиями кино и тенденциями в отрасли.

Аниме

• Reddit Top Anime Streaming Sites - Вики -страница перечисляет верхние сайты потоковой передачи аниме на Reddit.
• Reddit Legal Anime Streams - страница Wiki, предоставляющая список сайтов потокового аниме на Reddit.

СМИ

• Радио Гарден - Исследуйте живые радиостанции, представленные как зеленые точки на карте Google Earth, что позволяет вам слушать любого из них с одним щелчком.
• Radiooooo - «Музыкальная машина времени», где вы можете исследовать музыку из разных времен и мест.
• Lightyear.fm - представление о том, как далеко радиопередачи проходили с Земли со скоростью света.
• Вкусный - платформа, чтобы открыть для себя музыку, книги, фильмы и больше, основываясь на ваших предпочтениях.
• Pidgi Wiki - база данных Media Game, управляемая сообществом, включая художественные работы, рекламные материалы, логотипы и многое другое.
• Kassellabs - Создайте свои собственные тексты о знаменитых вступлениях фильмов и сериалов.
• Ustvgo - бесплатные живые телевизионные каналы доступны в Интернете.
• Все, что вы можете прочитать - самая большая база данных журналов и газет в Интернете, с списками за 25 000 публикаций со всего мира.
• Lexicap - транскрипты для эпизодов подкаста Lex Fridman.
• Транскрипты Brett Hall's Tokcast - стенограммы для подкаста Tokcast Бретта Холла.
• Thumbly - превратите свой сценарий в гремели, которые могут привлекать внимание, которые могут увеличить ваши виды на YouTube.

X / Twitter

• Tweetdeck - приложение Twitter Dashboard для управления учетными записями Twitter, отслеживания и организации.
• Twitter Video Downloader - онлайн -инструмент для загрузки любого видео Twitter непосредственно на ваш мобильный или компьютер.
• ThreadReaderApp - платформа, которая помогает вам сохранить потоки Twitter в качестве PDF -файла, облегчая чтение и обмениваться ими.
• TweepsMap - ИИ -управляемый AI -анализ и инструмент управления Twitter.
• Shadowban Checker - Инструмент, чтобы проверить, является ли имя пользователя в Твиттере.
• Генератор имени Twitter - бесплатный онлайн -инструмент для создания красивых прозвищ для Twitter.
• Охота на тему - платформа для обнаружения качественных потоков Twitter.
• Small World - использует местоположение из вашего профиля в Твиттере, чтобы найти близлежащих друзей.
• Мурадья - курирует последние размышления истории со всего Twitterverse.
• Ширпти - Создайте свой собственный круг взаимодействия в Твиттере.
• Захватите мой твит - разверните свои твиты в замечательные изображения бесплатно.
• Генератор карт Twitter - инструмент для создания карт Twitter, прикрепляя богатый контент к твитам бесплатно.
• Rattibha - куратор Twitter по категориям и авторам со временем, языком и сортировкой.
• Сообщения Musk - платформа компилируют и классифицируют прямые сообщения от Elon Musk в Twitter, обеспечивая легкий доступ к его мыслям и заявлениям.

Reddit

• RedditList - комплексный список субреддитов, классифицированных по различным темам.
• Redsim - найдите подобные субреддиты на основе ваших интересов.
• Reveddit - раскрывает удаленный контент Reddit. Вы можете искать по имени пользователя, subreddit (r/), ссылка или домена.
• Счетчик космического промежутка - список Reddit - коллекция из 100+ субреддитов.
• UnReadit - еженедельные бюллетени, наполненные Reddit, которые курируют контент из различных субреддитов.
• Что это за штуку - агрегирует посты и ответы от R/WhatiSthing Subreddit.
• Gummy Search - исследуйте болевые точки, идеи контента и узнайте, за что люди хотят платить на Reddit.
• Redditsearch.io - расширенная поисковая система Reddit, которая позволяет фильтровать и настраивать ваши поиски.
• Лучший поиск Reddit - улучшите свой опыт поиска Reddit с улучшенными функциями и функциональностью.

Экономика

• Investopedia - источник финансового образования, новостей и исследований для инвесторов.
• Money - A comprehensive resource for personal finance and financial news.
• The Balance Money - Financial education and resources.
• CNN Fear and Greed Index - Understand the current emotion driving the market.
• Where's Willy - An international non-profit volunteer project dedicated to tracking Canadian paper money around the world.
• Where's George - A project similar to "Where's Willy" for tracking American paper money globally.
• EuroBillTracker - An international non-profit volunteer project dedicated to tracking Euro notes around the world.
• TradingView - A platform and social network used by over 30 million traders and investors worldwide to spot opportunities across global markets.
• LendingTree - A marketplace designed to save you money by finding loans rather than making them.
• Masterworks - An exclusive community investing in blue-chip art.
• EquityBee - Provides startup employees the funding they need to exercise their stock options by connecting them with a global network of investors.
• EquityZen - Allows you to invest or sell shares in the secondary market with EquityZen funds.
• WTF Happened in 1971 - Website exploring and highlighting various economic, social, and financial events that occurred in the year 1971.
• Ergodicity Economics - Website providing insights into Ergodicity Economics and related concepts.

Бизнес

• Crunchbase - A platform for discovering innovative companies, startups, and key individuals in the business world. Provides comprehensive data and insights about companies, investments, and industry trends.
• Business Model Toolbox - A resource to learn about various business concepts and models.
• Gumroad - E-commerce platform for creators to sell digital products directly to customers.
• Humble Bundle - Platform selling games, ebooks, software, and digital content with a mission to support charity while providing great content at affordable prices.
• Google Takeout - Export a copy of all your Google data.
• Honey - A browser extension that automatically searches for coupons on over 30,000 sites globally.
• BotHelp - Provides a free chat button widget for websites.
• CertificateClaim (~$) - A digital service for creating and sending various types of certificates.
• Respresso ($) - A tool to manage your app's localization texts, images, colors, fonts, and more, delivering them automatically into your projects with a single click.
• Bonanza - An online marketplace that empowers entrepreneurs to build a sustainable business based on repeat customers.
• Pipl - Identify, search, and verify employees using email addresses, social usernames, or phone numbers by searching through Pipl's global index of identity information, reducing customer friction, fighting fraud, and saving time on review and research.

Финансы

• FIGR - Google Docs + Calculator = Personal finances
• LiveFortunately - Plan for a better financial future. Create a complete financial plan to make the most of your money.
• KeeperTax - AI Accountant for getting help and calculating tax-related questions.

Патенты

• Espacenet - Free access to over 130 million patent documents.
• Google Patents - Search and read the full text of patents from around the world.
• WIPO Patentscope - Search 105 million patent documents, including 4.3 million published international patent applications (PCT).
• Patently Apple - Explore patent applications made by Apple.
• USPTO Report - Platform providing information and reports related to patents from the United States Patent and Trademark Office.

Маркетинг

• Telega - Find the target audience in Telegram and launch effective advertising campaigns.
• IGMassDMS ($) - Send direct Instagram messages to your targeted audience without using your account.
• Product Management Tools ($) - Collection of Product Management tools for $5.
• Yes Promo - Free database of 100+ successful self-promotion Reddit posts.
• Marketing for Startups E-Book - Free e-book with 47 practical tactics to get customers and achieve hockey stick growth.
• ArrayList - List database in the cloud for storing form submissions, email-subscription forms, or making AJAX/REST calls to store values.
• SuperMeme AI ($) - Generate original memes powered by AI in 110+ languages.
• Apollo - Sales intelligence and engagement platform to search, engage, and convert over 250 million contacts at over 60 million companies.
• Vocus.io - Personalize email campaigns, track and automate email follow-ups, schedule appointments, sync with your CRM, and collaborate with your team.

Социальные сети

• Instagram Caption Maker - Clean & Beautiful Line Breaks for IG Captions.
• Social Sizes - Image and Video sizes for Social Media.
• Ocoya ($) - Platform to create, auto-generate, and schedule content.
• Imgupscaler - AI-based PNG / JPG Image Upscaler.
• Namechk - Check the availability of a username or domain name within seconds. 30 domains and more than 90 social media accounts.
• Inflact - Save original high-quality videos from Instagram to your device.
• TikTok Video Downloader - Download TikTok videos.
• SWAPD - Provides a middleman service for buying, selling, and trading virtual items and services, offering a secure platform that connects users with a vast network of buyers, sellers, and opportunities in the digital marketplace.

Trends

• Google Trends - Explore trending topics and insights based on Google searches.
• Google Trends - Visualize - Visualize and explore the hottest trends on Google.
• Statista - A platform for statistical data and visualizations, providing insights into various industries and topics.
• Google Books Ngram Viewer - Graphically visualize the occurrence of phrases in a corpus of books over selected years.

Meetings

• When2meet - A free service for scheduling group meetings. It allows users to create and participate in availability surveys to find the best time for a group to meet.
• Sessions - A web-based conferencing tool designed to enhance meetings. It aims to improve the overall meeting experience and is available for free.
• Form to Chatbot - Convert Google forms into interactive conversations in the form of chatbots. This tool helps in creating engaging and dynamic interactions based on form responses.

Рабочие места

• Y Combinator Jobs - Discover the best startup jobs curated by Y Combinator.
• Coroflot - Job search platform specifically tailored for designers.
• Cool Startup Jobs - Explore job opportunities in growing startups and give your stock options a chance.
• Anon Friendly - Find jobs that respect your desire for anonymity.
• Prompt Engineering Jobs - Explore engineering job opportunities with Prompt.
• KeyValues - Find engineering teams that align with your values.
• About.me (~$) - Platform for freelancers and entrepreneurs to grow their audience and attract clients.
• Rejected.us - Read and share stories of job rejections.
• Tech Interview Handbook - Free curated interview preparation materials.

Remote Jobs

• Remote OK - Job board for remote positions.
• Remotive - Platform connecting remote companies with talented professionals.
• Remote.co - Resource for finding remote work opportunities.
• Remote Leaf - Job board focusing on remote opportunities in the tech industry.
• Remote Leads - Platform connecting companies with remote leads in the software development field.
• RemoteBear - Job board for remote positions in tech and design.
• RemoteBase - Platform connecting remote workers with companies offering remote positions.
• JustRemote - Job board for remote work opportunities.
• JS Remotely - Job board specifically for remote JavaScript positions.
• Jobspresso - Curated job board for remote work in tech, marketing, and more.
• Just Join - Job board for remote positions in IT.
• FlexJobs - Job board for flexible and remote work opportunities.
• We Work Remotely - Job board for remote positions in various industries.
• Daily Remote - Daily updated job board for remote work opportunities.
• AngelList Candidates - Platform connecting startups with potential candidates, including remote positions.
• Hired - Platform connecting tech talent with innovative companies.
• PowerToFly - Job board focusing on remote opportunities for women in tech.
• SkipTheDrive - Job board for remote positions in various industries.
• Authentic Jobs - Job board for creative and tech professionals, including remote positions.
• Working Nomads - Job board for remote positions in various industries.
• Europe Remotely - Job board for remote positions specifically in Europe.
• Virtual Vocations - Job board for telecommute and remote positions.

Freelancing

• Remote Starter Kit - The ultimate list of tools and processes for remote teams.
• Fiverr - Find the perfect freelance services for your business.
• Upwork - Hire freelancers and get freelancers jobs online.

Portfolio / CV / Resume

• University of Nebraska Omaha - Job & Internship Resources - Résumé and Cover Letter Resources provided by the Academic and Career Development Center at the University of Nebraska Omaha.
• VisualCV - Collection of 500+ professional resume examples.
• SuperPortfolio - Online Portfolio Maker.
• Referd.ai - Free resume scanner.
• RxResu.me - Free and open-source resume builder.
• GoodCV - Create a professional Resume/CV in minutes without Photoshop or AI techniques.
• JSON Resume - Upload your JSON resume according to the spec and have it rendered beautifully.
• CVmkr - Create, maintain, publish, and share your CVs for free.
• Novoresume (~$) - Online resume builder.
• HelloTechRecruiters - Tailored for tech recruiters.
• FlowCV (~$) - AI-boosted resume builder, cover letter, job tracker, email signature, personal website.
• Signature Maker - Create handwritten digital signatures.

Карьера

• Roadmap.sh - Provides roadmaps for various development areas.
• WTF Should I Do With My Life - A resource to explore and learn about different occupations.
• path-to-polymath.notion - Arrangement of every discipline and field out there, and what specific topics make them up.

Стартапы

• Startup Growth Calculator - Calculate how much funding your startup needs for growth.
• Startup Equity Calculator - Split equity based on different variables for your startup.
• Fifty Years Progress Map - Highlights large markets with low startup investment. Provides a list of massive markets ranked by competitiveness, including market size and total investment in Series A startups over the last 10 years. Calculates a Competition Ratio for each market.
• Museum of Websites - A gallery showcasing how famous internet companies have changed over time.
• Goal Examples - A curated list of goal examples for every role in tech.
• Startup Resources - A collection of resources categorized for startups.
• 500+ Free Tools For Startups - A comprehensive list of free tools for startups.
• Founder Resources - Free curated resources, templates, and tools for startups.
• 100+ Resources on GPT-3 - A curated list of 100+ resources on GPT-3.
• 100+ Resources for Building a Successful Startup - A compilation of resources for building a successful startup.
• 2,500 Accelerators Incubators - A list of 2,500 accelerators and incubators.
• The Complete Unicorn List - A comprehensive list of 1,016 unicorns (private companies valued +$1B).
• GitHub Email Hunter - Find email addresses for GitHub users & repos with one click.
• The Angel Philosopher - Compilation of Naval's wisdom, knowledge, and thoughts.
• Under Glass - Analysis of the world's best digital products.
• The Perfect Pitch Deck - Lessons from analyzing 350+ startup pitch decks.
• Old Computers Museum - Explore a museum of old and vintage computers with 150 exhibits.
• Startups List - Collections of the best startups in different places.
• Pessimists Archive - Project that jogs our collective memories about the hysteria, technophobia and moral panic that often greets new technologies, ideas and trends.

Failures

• Failory - Google Failures - Learn from Google's +100 failures to build profitable businesses and scale acquired companies.
• Killed by Google - Projects that Google launched and ended.

Finding Ideas

• Random Startup Website Generator - A random startup website generator.
• AnswerSocrates - Discover the questions people are asking on Google about almost any topic, for free.
• IdeasAI - Ideas that are generated by OpenAI's GPT-3.
• AnswerThePublic - Discover what people are asking about in popular search engines.
• List of Emerging Technologies - Wikipedia's list of emerging technologies.
• UniCorner - Newsletter that delivers a 2-minute rundown of an up-and-coming startup to your inbox every Monday morning.
• DemandHunt ($) - Platform for discovering and upvoting new startups.

Подключение

• Integromat - Connect apps and automate workflows in a few clicks.
• IFTTT (~$) - Automate your favorite apps and devices quickly and easily, making them work together in new and powerful ways.
• Franz - Manage all your messaging apps like WhatsApp, Facebook Messenger, Slack, Telegram, and more in one platform.
• Google Remote Desktop - Remotely connect with your home or work computer, or share your screen with others.
• RecWide - Screen and webcam recorder. Free, online (No download required).
• 1,000 True Fans - The concept of cultivating 1,000 true fans for sustainable creative success.
• Alias - Stay up to date with the best of the bests.
• LittleSis - Free database of who-knows-who at the heights of business and government.

Дизайн

• Social Image Maker - Tool for creating social media images with ease.
• Open Source Design Resources - Showcase of websites and platforms offering openly licensed icons, fonts, images, tools, and other resources for design purposes.
• Transparent Textures - Platform providing transparent textures for use in design projects.
• Collection of $0 Design Tools - A collection of free design tools to aid in project creation.
• Easel.ly - Design tool for visualizing various types of information.
• Material Design - Design system by Google for building high-quality digital experiences for Android, iOS, Flutter, and the web.
• Rasterizer.io - Tool for creating dynamic images.
• Jitter.Video ($) - A simple animation tool on the web.
• Polotno Studio - Web application for creating graphical designs without sign-ups and ads, a free alternative to Canva.
• BitBof - Free painting and sketching apps.
• Sumo - Drawing tool and image editor.
• Random Design Stuff - Browse handpicked websites for designers, both useful and unuseful.
• Discover NFT Club - Discover the latest NFT projects.
• Haikei - Web-based design tool to generate unique SVG design assets for various purposes.
• Spline - Create 3D scenes, edit materials, and model 3D objects, giving control over the outcome of design work.
• Visiwig - Create graphics just by clicking and pasting.
• FreeType - Software library written in C for rendering fonts, capable of producing high-quality output of most vector and bitmap font formats, designed to be small, efficient, highly customizable, and portable.

Цвета

• HexColor - Offers various free color tools.
• Adobe Color Wheel - A color wheel that can be used to generate color palettes.
• SchemeColor - Allows you to download color schemes.
• Mobile Palette Generator - A tool for generating mobile palettes.
• DeGraeve Color Palette Generator - Generates color palettes.
• 0to255 - A color tool that helps find lighter and darker colors based on any color.
• ColorHexa - Provides information about any color and generates matching color palettes.
• Color Hunt - Discover hand-picked color palettes.
• Coolors - Color scheme generator and palette creation tool, allowing users to explore, create, and share color combinations for design projects.
• Colors.lol - Website offering a simple interface for generating color palettes, with options for saving and exporting them for use in digital design.

Fonts

• Font Squirrel - Free Font Utopia.
• Font Discovery - Weekly design, font, and color creativity newsletter for creators, founders, makers.
• MyFonts - Over 130,000 available fonts, and counting.
• Google Fonts - Collection of free and open-source fonts by Google.
• DaFont - A popular website offering free fonts for download, with categories for various styles and uses, including decorative, script, and sans-serif fonts.
• UCL Fonts Project - A research project focused on manifold of fonts, providing findings of their work and an interactive 2D Font Manifold Demonstration.

Icons / Icon Packs

• The Noun Project - Platform offering a vast collection of free icons and stock photos, available for use in a wide range of projects and designs.
• IconPacks - Platform offering a variety of icon packs for personal and commercial use.
• Doodlicons on Notion - Doodle icons for project wireframes on Notion.
• Illustration Kit - Collection of free vector illustrations for personal and commercial projects.
• FontAwesome - Internet's icon library and toolkit, widely used by designers, developers, and content creators.
• Iconshock - Platform offering icons from various open-source collections, with 100k icons available for free download.
• 3DIcons - Collection of 3D icons available for free commercial and personal use under CC0 license.
• Fontello - Icon fonts generator for creating custom icon fonts.
• HealthIcons - Free and open-source health icons for various use cases.
• TablerIcons - Open-source free SVG icons, highly customizable, and no attribution required for commercial use.
• David Li - Platform for particle-based 3D simulations and renderings.
• IcoMoon - Platform for creating and managing icon fonts.
• UTF8Icons - Collection of unicode symbols that are part of the utf-8 standard.
• Free Isometric Illustrations - Collection of free isometric illustrations for various projects.
• Illlustrations - Open-source illustrations kit for creative projects.
• PixelBazaar - Opinionated icons for brands with character.
• Iconfinder ($) - Platform offering icons, illustrations, 3D illustrations, designers, and free icons.
• Iconz Design ($) - Premium 3D library of 223 icons.
• HugeIcons.pro ($) - Platform offering over 25,000 icons in 5 unique styles, organized across 57 popular categories.

Stock Images

• The Stocks - Aggregator providing access to free stock photos, videos, and music from various sources.
• Pexels - Platform offering high-quality stock photos and videos available for free download and use.
• Unsplash - Website providing a large collection of high-resolution, royalty-free images for creative projects.
• FreeImages - Platform offering a diverse collection of free stock photos for personal or commercial use.
• Pixabay - Community-driven platform with high-quality stock images, videos, and music shared by contributors.
• PNG Guru - Source for free PNG images, backgrounds, and templates.
• Pond5 - Platform offering free stock videos, photos, and music resources.
• Critter Pics - Collection of critter pictures for creative projects.
• Stock Up - Indexing 35,356 photos from 31 different free stock photo websites for easy access.
• Shutterstock - Platform providing a vast library of royalty-free images, videos, vectors, illustrations, and music.
• Zoom.nl - Largest photography community in the Netherlands, offering resources and a platform for photography enthusiasts.
• Depositphotos - Platform with 232 million files, including royalty-free images, videos, vectors, illustrations, and music.
• Skuawk - Source of public domain photos for various creative projects.
• All-Free-Download - Platform offering graphics art available for free use in personal or commercial projects.

Обои

• Wallpapers.com - Website providing a variety of wallpapers for different themes and styles.
• WallpaperCave - Platform offering a collection of high-quality wallpapers across various categories.
• Wallhaven - Wallpaper community with a vast collection of high-resolution wallpapers.
• MovieMania - Database of textless high-resolution movie wallpapers for phones.
• WallpaperTip - Platform for uploading and discovering free HD wallpapers.
• SimpleDesktops - Collection of minimal wallpapers for desktop backgrounds.
• WallpaperFlare - Website offering high-resolution vertical wallpapers.
• Positron Dream - Collection of abstract wallpapers available for download.

Искусство

• WeavesSilk - Create beautiful flowing art with Silk.
• Google Arts & Culture - A platform bringing the world's art and culture online for everyone.
• ArtGraphica - A resource for free drawing, sketching, and painting techniques.
• Tattoos Wizard - Find tattoo artists and studios near you.
• The Art Institute of Chicago Collection - Explore thousands of artworks in the museum's collection.
• ZoomQuilt - Collaborative infinitely zooming painting.
• Invaluable - The world's premier online auctions platform, featuring thousands of items added daily. Invaluable provides accessibility to discovering and acquiring exceptional art and objects anytime, anywhere.
• 50 Watts - Archive of weird and wonderful visual ephemera from around the world

Photography

• Cambridge in Colour - Learning community for photographers
• Exposure Guide - Photography Tips, Techniques, and Tutorials

Art Communities

• Ello
• Бьюс
• ArtStation

Academia

• TLDR This - Platform to summarize any piece of text into concise, easy-to-digest content, helping users overcome information overload.
• Archive.org General Index - General index providing access to over 107 million journal articles.
• Homework Help Global - Online platform offering professional and custom essay writing services.
• Dartmouth Academic Careers - Resource providing insights into academic careers.
• CNX - Platform to view and share free educational materials.
• Reach Out Michigan Tutorials - Collection of online tutorials and references covering various topics.
• Open Text BC - Simple book production software allowing users to publish textbooks, scholarly monographs, syllabi, fiction and non-fiction books, white papers, and more in multiple formats.
• Modern for Wikipedia - Chrome extension enhancing the Wikipedia experience with a modern and customizable design.
• Wikiwand - Wikipedia Modern - Chrome extension optimizing Wikipedia's content for an improved reading experience.
• List of Academic Databases and Search Engines - Wikipedia page listing academic databases and search engines.
• Scribbr APA Citation Generator - Platform providing accurate APA citations, verified by experts and trusted by millions.
• Bridges: About Institutions, Histories, and Artifacts - Resource about institutions, histories, and artifacts of United States college and university life.
• Tropy - Platform to organize research by turning photos into items.
• Linda Hall Library Catalog - Catalog of the Linda Hall Library that allows you to search for books, journals, conference proceedings, technical reports and standards, and other materials, focusing on science, engineering, and technology.
• Project Abstracts - Collection of project abstracts and downloads for academic mini projects and final year projects across various fields.
• SCIRP Open Access Journal - Platform offering open-access academic journals across various scientific disciplines, promoting free access to research.
• DOI.org - The official website for Digital Object Identifiers (DOI), providing a system for the persistent identification and access of digital resources, including academic papers and datasets.

Изучение

• Bartleby - A platform to search for textbooks, step-by-step explanations to homework questions, and more.
• Chegg ($) - A service offering 24/7 course help, including textbook solutions and expert Q&A.
• Chegg Flashcards (@) - Study with flashcards created by students and experts for various courses.

Калькуляторы

• Calc Resource - Platform offering a variety of calculators and resources for mathematical calculations.
• eFunda - Website providing calculators, formulas, and information on materials and processes.
• LCM Calculator - Calculator for finding the Least Common Multiple.
• GCF Calculator - Calculator for finding the Greatest Common Factor.
• CalculatorSoup - Online platform offering a variety of calculators for different mathematical purposes.
• RapidTables - Website providing a collection of calculators and tables for quick reference.
• Linear Algebra Calculator - Calculator for linear algebra calculations, such as cross product.
• Wikipedia: List of Physical Quantities - Wikipedia page listing various physical quantities.
• eMathHelp Linear Algebra Calculator - Online calculator for linear algebra calculations.
• Online Math School - Platform providing math assistance with various calculators and resources.

MOOC (Massive Open Online Courses)

• InfoCobuild - Audio Video Courses - Collection of free audio/video lectures for academic courses from colleges and universities around the world. It is well-categorized with academic subjects including biology, chemistry, computer science, economics, electronics and electrical engineering, history, literature, materials science, mathematics, physics, and psychology.
• MIT OpenCourseWare - MIT's initiative offering free and open access to a wide range of course materials.
• Coursera - Online learning platform providing courses, certificates, and degree programs from universities and organizations worldwide.
• Wikiversity - Wikimedia Foundation project providing free educational content and resources.
• Udemy - Platform offering a vast array of online courses on various subjects, taught by experts.
• Open Culture - Website providing free cultural and educational media, including courses, textbooks, and audiobooks.
• edX - Online learning platform offering courses, certificates, and degrees from universities and institutions around the world.
• Udacity - Platform specializing in tech-related courses and nanodegree programs designed in collaboration with industry leaders.
• Stanford Online - Stanford University's platform for online learning, offering a variety of courses and programs.
• OpenLearn - The Open University's initiative providing free access to course materials and educational resources.
• Open Learning Initiative (OLI) - Carnegie Mellon University's platform offering openly available courses and resources.
• MITx - MIT's platform providing online courses and programs with a focus on cutting-edge research.
• Open Yale Courses - Yale University's initiative providing free access to introductory courses taught by distinguished faculty.
• Alison - Platform offering free online courses and diplomas across a range of subjects.
• Academic Earth - Website aggregating online courses from top universities worldwide.
• NPTEL - National Programme on Technology Enhanced Learning, providing online courses in engineering and science.
• University of the People - Online university offering tuition-free, accredited degree programs.
• Canvas Network - Platform offering online courses and programs from various institutions using the Canvas learning management system.
• Isaac Newton Institute for Mathematical Sciences - Institute's website providing access to mathematical science resources and programs.
• Saylor Academy - Nonprofit initiative offering free, self-paced online courses.
• Connexions - Platform providing open educational resources and textbooks in various subject areas.
• Directory of Open Access Journals (DOAJ) - Online directory providing access to high-quality, open-access scientific and scholarly journals.
• Learning on the Internet - Platform featuring curated educational content and resources from various sources.
• Class Central - Search engine and reviews platform for online courses, aggregating courses from various providers.
• OCW SNU - Open CourseWare from Seoul National University.

Наука

• Reproducibility Institute - Projects that provide academic papers, cheatsheets, and torrents for paid courses.
• EBSCO - Provider of research databases, e-journals, magazine subscriptions, ebooks, and discovery service.
• Zooniverse - Participate in real research with over 50 active online citizen science projects.
• Experiment - Help fund the next wave of scientific research.
• Closer to Truth - Robert Lawrence Kuhn explores the fundamental questions of the universe.
• Nature Scitable - Library of scientific overviews. Customize your own eBooks, create an online classroom, contribute and share content, and connect with networks of colleagues.
• Vinaire - Physics and Math classes.
• VisualPDE - Interactive platform for exploring science and mathematics, offering simulations on topics like waves, viruses, and reaction-diffusion patterns.
• Whole Earth - Nearly-complete archive of Whole Earth publications, a series of journals and magazines published by Stewart Brand and the POINT Foundation from 1968 to 2002, made available for scholarship, education, and research purposes.
• Sketchplanations - Collection of simple sketches and visual explanations on scientific concepts, aimed at making complex topics more accessible.

Biographies

• Mathematics History - Free online resource containing biographies of more than 3000 mathematicians and over 2000 pages of essays and supporting materials.
• Web of Stories - Listen to life stories of some of the greatest people of our time.
• Letters of Note - History's most fascinating letters.
• Organism Earth Library.
• Darwin Project - Letters written by the evolutionary scientist, Charles Darwin (1809–1882).
• Darwin Online - The world's largest and most widely used resource on Charles Darwin.
• Newton Project - Online edition of all of Sir Isaac Newton's (1642–1727) writings.
• Bethe - Personal and historical perspectives of Hans Bethe.
• Open Source Shakespeare - Open source Shakespeare.
• Leonardo da Vinci - Leonardo da Vinci, his life, and artworks.
• Our Karl Popper - How Karl Popper has made a difference in our lives (Testimonies from the five continents).
• Varlam Shalamov - Writings and historical background of Varlam Shalamov, a Russian writer known for his series of short stories about imprisonment in Soviet labor camps.
• Samuel Beckett On-Line Resources - The Samuel Beckett On-Line Resources and Links Pages. (Samuel Beckett's Waiting for Godot)
• Philip K. Dick - Devoted to the life and work of Science Fiction writer Philip K. Dick (1928-82).
• Alan Turing Digital Archive - This digital archive contains many of Turing's letters, transcriptions of talks, photographs, and unpublished papers.
• Turing.org.uk - Platform dedicated to the life and work of Alan Turing, the mathematician and computer scientist.
• Sherlock Holmes Series - Sir Arthur Conan Doyle's Sherlock Holmes series (Public Domain, Copyright-free).
• Feynman Lectures Online - Richard Feynman's lectures online.
• Leibniz Translations - Resource offering translations of the works of philosopher and mathematician Gottfried Wilhelm Leibniz.
• David Hume - Platform dedicated to the Scottish philosopher David Hume. Accurate, helpful presentation of virtually everything Hume ever wrote.
• Fooled by Randomness - Nassim Nicholas Taleb's Home Page.
• Prabook - Platform providing biographical information on notable individuals.
• Famous Mathematicians - Website featuring information and biographies of famous mathematicians.

Books, Articles, Texts

• Archive.org/texts - A digital library offering free universal access to a vast collection of digital content.
• Open Library - A universal catalog for book metadata with access to a wide range of digital books.
• OpenStax - Provides free and flexible textbooks and resources for educational purposes.
• Project Gutenberg - A digital library offering over 60,000 free eBooks, including many classics.
• Wikibooks - An open-content collection of textbooks that anyone can edit.
• Wikisource - A free library that allows collaborative improvement of its content.
• MIT Classics - Select from a list of 441 works of classical literature by 59 different authors.
• Goodreads Free eBooks - Free books available on Goodreads.
• Lit2Go - A free online collection of stories and poems in audiobook format (Mp3).
• Booksc - World's largest scientific articles store with 70,000,000+ free articles.
• IntechOpen - Read, share, and download more than 5,800 peer-reviewed Open Access books.
• FreeTechBooks - A database of free/open access online computer science books, textbooks, and lecture notes.
• FreeComputerBooks - Platform offering a collection of free computer science and programming books.
• Manning - A publisher of programming books.
• Holy Books - Download spiritual texts as free PDF e-books.
• Librivox - Provides free public domain audiobooks read by volunteers from around the world.
• Online Books Page - A listing of over 3 million free books on the web.
• Audible (~$) - A platform offering premium audio storytelling with a wide selection of audiobooks.
• VCU Transcendentalism - An educational hypertext space on transcendental texts with links to other internet spaces.
• Library of Short Stories - An online library with over 1000 classic short stories available for reading and download.
• SlideShare - Online platform for sharing presentations and documents.
• Free-eBooks.net - Discover 1000's of New Authors in Hundreds of Categories Fiction and Non-Fiction.
• University of Pennsylvania Digital Library - Digital library providing access to a collection of books.
• Feedbooks Public Domain - Platform offering a catalog of public domain books for free.
• Authorama - Platform providing a collection of public domain books by different authors.
• Google Play - Top Selling Free Books - Collection of top-selling free books on Google Play.
• Taoism.net - Resource for exploring Taoism.
• Early Modern Texts - Platform providing modern English translations of early modern philosophical texts.
• Online Library of Liberty - Curated collection of scholarly works that engage with vital questions of liberty.
• Online Books Library - University of Pennsylvania's online library providing access to 3 million free books on the Web.
• Elegant eBooks - Find great classics of fiction and non-fiction in stylish editions. Almost all of the ebooks on this site were made from books that are in the public domain.
• 22 Free Data Science Books - A compilation of quality data science books available for free, curated to assist those exploring the data science career track. The last updated date of each book is included in parentheses.
• Chest of Books - Free online library offering a large collection of books on various topics, including science, technology, art, and literature.
• Stephen Wolfram: A New Kind of Science - Online version of Stephen Wolfram's book "A New Kind of Science," offering access to the table of contents and related materials on cellular automata and complexity.

Book Recommendations and Summaries

• Read Next - A collection of 3,000+ books recommended by famous people from various domains such as scientists, investors, entrepreneurs, celebrities, and authors.
• Goodbooks - Offers 8,500+ book recommendations from successful and interesting individuals around the world.
• Most Recommended Books - Curates 500+ experts, 600+ lists, 500+ book series, providing 100% verified book recommendations.
• Books Chatter - Find book recommendations from people's tweets, with tweets shown.
• Leafmarks - Explore book recommendations from famous authors, top CEOs, legendary investors, and favorite celebrities.
• Bookstash - Features top books recommended by famous individuals, summarized in 3 minutes or less.
• Abakcus - A collection of books about mathematics and some science.
• BookBub - Get personalized book recommendations based on your preferences.
• Hacker News Books - Curates the best books mentioned on Hacker News each week.
• Goodreads - The world's largest site for readers and book recommendations.
• What Should I Read Next? - Enter a book you like and the site will analyse our huge database of real readers' favorite books to provide book recommendations and suggestions for what to read next.
• Blas - Summarizes more than 400 books by Blas Moros.
• Google Books - Talk to Books - Platform allowing users to have a conversation with books using natural language.

Maps and Data

• Our World in Data - COVID-19 vaccination data by country.
• WebSDR - A Software-Defined Radio receiver connected to the internet, allowing many listeners to listen and tune it simultaneously, capturing current signals from Earth.
• GSM Security Map - A map comparing the protection capabilities of mobile networks regarding GSM security.
• International Campuses - A list of international campuses.
• United States International College Campuses on Google Maps - Map showcasing international college campuses in the United States.
• Submarine Cable Map - Interactive map showcasing the world's submarine cable systems.
• Observable - A platform to explore, analyze, and explain data collaboratively.
• FixPhrase - Locate any place on Earth with just four words, useful for situations where dealing with a few words is more convenient than a long series of numbers.
• Common Crawl - An open repository of web crawl data that can be accessed and analyzed by anyone.
• Mount Everest 3D Map - Interactive 3D map of Mount Everest.
• Visualize Value Archive - Archive of visual content from Visualize Value.
• Fliist - Platform for creating and sharing your favorite lists.
• Search Engine Map - Visual representation of popular search engines.
• Friendly Dubinsky - Maps of different places.
• Real-Time SpaceX Starlink Satellite Tracker - Website providing a real-time tracker for SpaceX Starlink satellites.
• Album of Computational Fluid Motion - Collection showcasing computational fluid motion images.
• Visualization of Every Job Title in the World - Interactive visualization categorizing every single job title in the world into 10 categories.
• ObservableHQ - Examples of bitemporal charts
• The Uncensored Library - Minecraft server and map released by Reporters Without Borders and created by BlockWorks, DDB Berlin, and MediaMonks as an attempt to circumvent censorship in countries without freedom of the press
• Lighthouse Map - An interactive map displaying the locations of lighthouses around the world, offering geospatial information and history for each site.

Arxiv

• ArxivXplorer - Search tool designed for exploring scientific papers on arXiv, allowing users to find and filter research articles across various disciplines.
• Interactive Data Map of ArXiv Machine Learning Papers - Interactive data map displaying papers from the Machine Learning section of ArXiv.
• ArXiv Machine Learning Landscape - Visualization showcasing the landscape of machine learning research on ArXiv.
• DataMapPlot Examples - A collection of examples and demonstrations for visualizing data on manifolds using the DataMapPlot library, focusing on arXiv datasets.

Инфографика

• Information is Beautiful - Platform focusing on fact- and data-based decisions, presenting information through visually appealing graphics.
• Visual Capitalist - Source of data-driven visuals covering various topics such as markets, technology, energy, and the global economy.
• Infographic Journal - Archive of infographics covering a wide range of topics.
• D3.js - JavaScript library for manipulating documents based on data, enabling the creation of dynamic and interactive data visualizations.
• Deniz Cem On Duygu Portfolio - Personal portfolio of infographics.
• Data Visualization Catalogue - Catalog providing information on various types of data visualizations.
• Tableau Public - Free platform to explore, create, and publicly share data visualizations online.
• Will Robots Take My Job? - Estimates the automation risk, growth, wages, and more for various jobs.
• Preceden - Online timeline and roadmaps maker.
• Jason Davies - Personal website of Jason Davies showcasing his projects and visualizations.

Философия

• Desolhar Philo - Notes about philosophy.
• VisualizingSEP - Interactive visualization and search engine for exploring the Stanford Encyclopedia of Philosophy.
• Hakob's Sandbox - Online book on the introduction to the history and philosophy of science.
• Philosophy A Level
• Deniz Cemon Duygu - History of Philosophy - Summarized & Visualized.
• Interactive timeline of philosophical ideas. - Visual representation and exploration of the significant philosophers and their ideas.
• Beyng - A resource dedicated to Martin Heidegger's philosophy, providing English translations and discussions of his works and ideas.
• Greg Egan's Official Website - Information about the works, philosophy, and projects of science fiction author and computer programmer Greg Egan is presented.
• Ayn Rand Institute Courses - Educational platform offering free courses on Ayn Rand's philosophy, including Objectivism and its application to life and society.

Social Sciences

• Temple Manifold - All Projects - A collection of great resources on various social sciences.

История

• Histography - An interactive timeline that spans across 14 billion years of history, from the Big Bang to 2015.
• Unenumerated Blog - A comprehensive and highly detailed blog covering various history topics.
• Human Origins - Human Family Tree - An interactive Human Family Tree that explores the evolutionary history of humans.
• OldEra Timeline - An interactive timeline that allows you to view the entire history on a zoomable interface.
• Nuclear Secrecy Blog - Historical information about nuclear secrecy, providing insights into the development and implications of nuclear weapons.
• The Ascent of Humanity - Explores the concept of the Age of Separation, the Age of Reunion, and the convergence of crises shaping the transition in human history.
• Today in Science History - Platform offering historical events of a given date.
• Khipu Field Guide - Guidebook providing information on khipus, the ancient Incan system of knotted strings for record-keeping.
• Hellenistic History - Resource for the study of Hellenistic history, covering the political, cultural, and social developments from Alexander the Great's era to the Roman Empire.
• Perseus Digital Library - Provides a vast collection of classical texts, images, and resources for the study of ancient Greek and Roman cultures.
• Futility Closet - Collection of entertaining curiosities in history, literature, language, art, philosophy, and mathematics, designed to help you waste time as enjoyably as possible.

Geoscience

• River Runner Global - Offers a visualization of the path of a rain droplet from any point in the world to its end point.
• Celestrak Satellite Visualization - Provides satellite visualization tools.
• Mars Now - Shows the current positions of Mars's satellites, offering insights into Martian exploration.
• Physical Geology - Covers essential topics in Physical Geology.
• Flood Site - An educational resource about flooding.
• NEMO - Nucleus for European Modeling of the Ocean - Platform providing information and resources related to ocean modeling for multifarious space and time scales, developed by a European consortium.
• USGS Earthquake Map - Map displaying recent earthquake activity from the United States Geological Survey.
• LatLong.net - Tool for finding latitude and longitude coordinates for any location on a map, providing geographic coordinates and related data.
• Latitude.to - Allows users to find GPS coordinates for any address or location worldwide, with detailed mapping features.

Биология

• Sectional Anatomy - Free online tool for radiologic cross-sectional anatomy.
• Deep Sea - Platform to explore the depths of the seas.
• Ask Nature - Biology-inspired strategies, innovations, or educational resources.
• We Are Hosts for Memes - You have been exposed to The Meta-meme
• Birdwatching Zone - A site dedicated to birdwatching, featuring over 300 species recorded with identification tips and resources for enthusiasts.
• OneZoom - The Tree of Life that illustrates how all life on Earth is connected. Explore relationships between 2.2 million species, view over 100,000 images, and see how species evolved from common ancestors. Zoom through the tree to discover the diversity of life on Earth.

Физика

• The Theoretical Minimum - Series of Stanford Continuing Studies courses taught by world-renowned physicist Leonard Susskind.
• Theoretical Physics - Cambridge - Resources and information about theoretical physics from the University of Cambridge.
• University of Virginia Classical and Modern Physics II - Lecture notes and materials for the Classical and Modern Physics II course at the University of Virginia.
• Mueller Group - Cornell - Laboratory of Atomic and Solid State Physics at Cornell University.
• Ptable - Interactive and customizable periodic table providing information about elements and their properties.
• National Institute of Standards and Technology – Fundamental Physical Constants - Offers authoritative data on physical constants, providing essential measurements for research and technological applications.
• Mechanics Map - Interactive resource from Penn State University for exploring mechanical systems and understanding basic mechanics principles.

Quantum

• https://vsg.quasihome.com/interfer.htm - Applet of Young's Double Slit Interference
• Webb Telescope - Official website for the James Webb Space Telescope.

Quantum Games

• Virtual Lab by Quantum Flytrap - Simulates optical experiments with multiparticle quantum systems, supporting quantum key distribution and entanglement exploration.
• Hello Quantum - Introduces quantum circuits and gates via interactive puzzle games, featuring graphical interfaces to simplify quantum concepts.
• Particle in a Box - Demonstrates quantum superposition and energy levels through a 2D single-player platformer contrasting classical and quantum physics.
• Psi and Delta - Encourages collaborative learning of quantum mechanics using cooperative gameplay focused on superposition and quantum probabilities.
• QPlayLearn - Offers interactive tools, videos, and games for multi-level education on quantum physics, addressing diverse learner profiles.
• Quantum Odyssey - Visualizes quantum algorithm development through a game-like interface, aiding education in quantum computing logic and state evolution.
• Quantum Moves 2 - Engages citizen scientists in optimizing quantum experiments, addressing real-world challenges in quantum optimization.
• The Virtual Quantum Optics Laboratory - Enables design and simulation of quantum optics experiments, bridging classical and quantum mechanics for educational use.
• Arxiv Paper - Quantum Games and Interactive Tools for Quantum Technologies Outreach and Education - Comprehensive discussion of the use of games and interactive tools to engage the public in understanding quantum technologies.

Astronomy

• Fear of Physics - Offers a free "Astronomy 101" course.
• Galileo's Applets - Provides applets on early lunar observations and various motion-related topics.
• 100,000 Stars - A visualization of 100,000 nearby stars, providing an immersive experience.
• The Million Earth Solar System - Explores the concept of a solar system with a million Earth-like planets.
• Space Telescope Live - Live access to real-time data and observations from the James Webb Space Telescope, allowing users to explore space research and discoveries.
• Telescope Optics - A resource for amateur telescope builders, providing detailed information on designing and constructing telescope optics.
• Orbital Basics - Educational resource explaining the fundamental concepts of orbital mechanics, designed for beginners in space science.

Математика

• Open Logic Text - Open-source, modular, collaboratively authored collection of teaching materials for formal (meta)logic and formal methodss.
• OEIS - The On-Line Encyclopedia of Integer Sequences - Platform providing a comprehensive database of integer sequences.
• First Principles of Mathematics - Resource covering first principles of various math topics.
• 38 Best Math Websites for Students - Compilation of 38 recommended math websites for students.
• Math Hints - Free website with simple explanations and examples for various math topics.
• Better Explained - Platform focusing on understanding math concepts rather than memorization, with clear lessons on topics like imaginary numbers and exponents.
• Mathway - Free math problem solver.
• ChiliMath - Online resource for math topics.
• Visual and Interactive Introduction to Complex Analysis - Resource providing a visual and interactive introduction to complex analysis.
• Matrices as Tensor Network Diagrams - Article discussing matrices represented as tensor network diagrams.
• What is Category Theory Anyway? - Exploring the grand scheme of mathematical things with category theory.
• Algebra Practice Problems - Platform offering algebra practice problems with clear explanations.
• Matrixology - Matrixology course resource.
• Math Courses at NITK - List of math courses taught at the National Institute of Technology Karnataka (NITK).
• Easy Mathematical Tricks from Counting Through Calculus - Collection of easy mathematical tricks from counting through calculus.
• Math Salamanders - Platform providing useful calculators (like Reverse Percentage Calculator) and math worksheets for kids or students.
• 3Blue1Brown Non-Videos - Non-video content winners of 3Blue1Brown's SoME.
• Mathigon – The Mathematical Playground - Interactive mathematics platform offering educational content and resources.
• Math Warehouse - Offers interactive math activities, demonstrations, lessons with definitions and examples, worksheets, and other resources.
• Cut the Knot - Resource offering interactive math puzzles, problems, and visualizations to explore mathematical concepts through problem-solving.
• Trigonography - Site exploring trigonometry and its applications, featuring visual aids, formulas, and problem-solving techniques.
• Lamar Math Tutorials - A comprehensive collection of math tutorials and practice problems, covering topics from algebra to calculus and differential equations.
• Art of Problem Solving - Focuses on developing problem-solving skills across various subjects including mathematics, physics, programming, and language arts. Offers rigorous online classes, physical academies, and an engaging curriculum designed to encourage critical thinking, experimentation, and perseverance in students.
• Mathematics Genealogy Project - Aims to compile and share comprehensive information on mathematicians worldwide, gathering data from academic institutions and individual contributors.
• Enjeck Complicated Math Equation Generator - Generates complex mathematical equations based on user input, offering a tool for practicing or visualizing mathematical problems.
• Erdos Problems - A site dedicated to exploring open mathematical problems related to Paul Erdős, including ongoing challenges in number theory and combinatorics.
• The Electronic Journal of Combinatorics - An open-access journal publishing research papers and articles on combinatorics, an area of mathematics dealing with counting, arrangement, and structure.
• Zeta by Amir Hirsch - Website dedicated to the exploration of the Riemann Hypothesis, with interactive tools and resources for those interested in number theory.
• Tungsteno - A platform providing pedagogical tools to make mathematics accessible to everybody, completely free, based on open collaboration.
• PlanetMath - Online mathematical resource and collaborative platform that provides open-access mathematics content, including definitions, theorems, and proofs.
• Geomstats Tutorials - Tutorials and resources on geometric statistics, providing practical examples and code for implementing statistical techniques on manifolds.
• Ximera - MOOCulus - Collection of interactive math modules and learning resources designed for online courses, focusing on calculus and related subjects.

Math + Art

• Paul Nylander's website - Favorite hobbies and interests, especially science, and art of Paul Nylander
• NYC DOE CS4All - Introduction to Computational Media with p5.js
• Texample - Examples and community of LaTeX
• Snowflakes Project - Snowflakes project by Collective Mathematical Art

Инженерный

• Animagraffs - Educational website featuring detailed animated infographics (animagraffs) that visually explain complex topics and processes across various subjects.
• Technology Student - A resource containing numerous information sheets, exercises, and animations, covering various technology-related topics.
• Nuclear Power - A non-profit project aimed at learning the basics of nuclear and reactor physics, covering topics such as nuclear power plants, reactor physics, thermal engineering, materials, and radiation protection.
• Knovel - A platform providing tools and calculators for various engineering and scientific purposes.
• Engineering Library - Reference library for engineering topics.
• Engineering Toolbox - Online resource providing engineering tools and information.
• Text to CAD - Tool converting textual descriptions into CAD models, helping users generate technical drawings from written input.
• McMaster-Carr - Supplier of hardware, tools, raw materials, industrial materials, and maintenance equipment, serving a wide range of industries with an extensive catalog of products.
• Engineer on a Disk: Modeling - A book offering a hands-on guide to system modeling and simulation, with practical examples and explanations for engineers and developers.
• Bartosz Ciechanowski Archives - Collection of articles on design and technology by Bartosz Ciechanowski.

Гражданское строительство

• Floor Plan Lab - Platform for creating and visualizing floorplans.
• Engineers Edge - Platform providing articles and resources on structural and mechanical engineering topics.
• 3D House Planner - Free 3D floor planner application on the web.

Машиностроение

• 507 Movements - Website featuring animated mechanical movements, providing a visual understanding of various mechanical systems.
• MadeHow - Resource explaining and detailing the manufacturing processes of a wide variety of products.
• Comprehensive Structural Analysis Book - Online resource offering a comprehensive book on structural analysis.
• Awesome MechEng - Awesome Mechanical Engineering Resources.
• Animated Dynamics - Interactive reference for visualizing dynamics simulations, aimed at helping users better understand complex mechanical systems.
• Wikimedia Commons - Engine Animations - A collection of animated images and videos that demonstrate the functioning of various types of engines, from combustion to electric.
• Mechanisms/menu-gear - Gear mechanisms animated.
• Mechanism Animations - Offers interactive animations that demonstrate mechanical systems and mechanisms, helping users visualize and understand their motion and function.
• CalcResource - Regularly updated list of resources focused on mechanics and statics, aiding in learning and understanding these subjects.
• Engineering Toolbox - Comprehensive resource covering a wide range of engineering topics.
• StructX - Website offering structural engineering resources for professionals and students.
• Amesweb - Platform with calculators and articles covering various engineering topics.
• RoyMech - Reference site with in-depth articles on structural and mechanical engineering subjects.
• Arcelor-Mittal Design Software - Free design software for steel structures provided by Arcelor-Mittal.
• BU Moss - Courses and resources focused on understanding slender structures.
• Homestyler - Easy and time-saving online interior design tool catering to both professionals and amateurs.
• How a Car Works - Complete and free guide explaining how cars work.
• IIHS Ratings - Crash test ratings and safety information from the Insurance Institute for Highway Safety.
• Euro NCAP - European New Car Assessment Programme providing safety ratings for vehicles.
• Toaster Museum - A dedicated collection of antique toasters, showcasing vintage models for toaster enthusiasts and collectors, along with historical information and preservation details.

Materials / Nanotechnology

• DoITPoMS - DoITPoMS from Department of Materials Science and Metallurgy, University of Cambridge
• Nanoscience Resources - Nanoscience resources of the Department of Physics at the University of Strathclyde
• MIT OpenCourseWare - Materials Science and Engineering - Concepts are deeply examined
• StatNano - Reliable source of information about nanotechnology products, currently used in a broad range of industrial applications
• MyMiniFactory - World's largest ecosystem of free to download, 3D printable objects of cultural significance
• Roy Mech - This site provides useful information, tables , schedules and formula related to mechanical engineering and engineering materials.

Термодинамика

• https://users.wpi.edu/~sullivan/ES3001/Lectures/ - For thermo, go to Lectures/Lecture-A (or Lectures/Lecture-B/) and then go to Lectures/Lecture-A/Lecture-1
• https://web.mit.edu/16.unified/www/FALL/thermodynamics/notes/notes.html - Thermodynamics and Propulsion by Prof. ZS Spakovszky
• https://ouopentextbooks.org/thermodynamics/ - Web-based, open educational resource (no longer being actively developed)

Контроль

• https://linklab-uva.github.io/modeling_cps/schedule.html - Principles of Modeling for Cyber-Physical Systems
• engin.umich - To learn how to use MATLAB and Simulink for the analysis and design of automatic control systems

Vibrations

• https://www.acs.psu.edu/drussell/demos.html - Acoustics and Vibration Animations

Electronics Engineering

• Electrical4U - Platform for learning electrical engineering.
• Electronics Tutorials - Resource providing tutorials on various aspects of electronics.
• Octopart - Platform for electronic parts, helping users find and compare components.
• TechSpot - How CPUs Are Designed and Built - Series covering computer architecture, processor circuit design, VLSI, chip fabrication, and future trends in computing.
• Open Circuits Book - "Open Circuits" is a photographic exploration of the beautiful design inside everyday electronics.
• Digi-Key Electronics - Online marketplace for electronic components, featuring a vast selection of parts, tools, and resources for engineers and makers.
• Telematic Connections Timeline - Interactive timeline exploring the history and impact of telematics and networked communication, with a focus on art and technology.
• Cybergraph - Visual exploration of Cybernetics, offering interactive representations of networks.

Информатика

• Webopedia - Online tech dictionary, study guides, and reviews for computer and IT terms.
• Teach Yourself Computer Science - Comprehensive guide for self-study in computer science.
• Open Source Society University - Computer Science - Curriculum for computer science studies provided by the Open Source Society University.
• Functional Computer Science Curriculum - Curriculum focusing on functional programming concepts in computer science.
• Menimagerie - Explore concepts in theoretical computer science, from the number system to Cantor infinities, Godel's theorems, and automat.
• Computer Science Library - Platform aiding in mastering concepts in computer science and math courses with automated step-by-step solutions and practice problems.
• Computer Jargon - Glossary of computer-related jargon and technical terms.
• Talks by Alan Kay - Collection of talks by computer scientist Alan Kay.
• Everything Computer Science - A wide range of articles and tutorials on computer science topics, including programming, algorithms, data structures, and software development practices.
• Richard Sutton Video Lectures - Collection of video lectures and talks by Richard Sutton, a prominent researcher in reinforcement learning and artificial intelligence.

Data Structures and Algorithms (DS&A)

• Dictionary of Algorithms and Data Structures - NIST's Dictionary of Algorithms and Data Structures.
• Visualgo - Platform for visualizing data structures and algorithms through animations.
• Adventures In Coding & Algorithms - Blog exploring coding and algorithms.
• Damn Cool Algorithms - Blog featuring posts on particularly interesting algorithms.
• Skiena's Algorithms Lectures - Video lectures on algorithms by Steven Skiena.
• Visual Algorithms - Platform presenting visual representations of algorithms.
• Sinon - Algorithms - Summarized page covering important results from computer science.

Big-O notation

• Algorithms and Data Structures Big-O Notation - Comprehensive resource covering Big-O notation for various algorithms and data structures.
• Big-O Cheat Sheet - Webpage presenting the space and time complexities (Big-O) of common algorithms used in Computer Science.
• Comp160 Data Cheat - Resource providing information on data structures and related concepts in computer science.

AI/ML

• Doublespeak Chat - Empirical, non-academic, and practical guide to LLM hacking.
• Fast.ai Course - Online course for deep learning and machine learning.
• Papers with Code - Collection of state-of-the-art results for machine learning tasks with associated code.
• Delta Academy Maps - Map of mathematics for Machine Learning.
• Inside the Matrix by PyTorch - Blog post by PyTorch that is visualizing matrix multiplication, attention and beyond.
• Directory of AI Models - Google Sheets document providing a directory of various AI models, presenting information such as name, date, parameters, organization, organization type, author location, language, commercial use, model, accessibility, code accessibility, data accessibility, major datasets used, and architecture.
• Papers with Code - Platform providing the latest in machine learning research papers along with code implementations and benchmarks.
• Globe Engineer Explorer - Applied AI company making products that optimally represent information for human comprehension.
• Colah's Blog - Blog by Christopher Olah on deep learning and artificial intelligence, featuring detailed explanations, tutorials, and research insights.
• TensorFlow Playground - An interactive tool for experimenting with neural networks, allowing users to visualize how different configurations affect model training and classification tasks.
• Ben's Bites - Catalog offering a variety of bite-sized AI resources.

Robotics

• Robots Guide - A comprehensive resource offering guides, reviews, and insights on robotics, aimed at both beginners and enthusiasts in the world of robotics.
• Control Challenges - Leetcode for robotics.

LLMs

• Hacker Llama - Blog post on the useful terms to know when joining the Local LLM community.
• Moebio Mind - Explores the inner workings of language models, visualizing the semantic space and trajectories of word completions generated by the GPT-3 API. The site demonstrates how responses evolve through high-dimensional spaces and presents interactive visualizations of word sequences and their probabilities, offering a unique perspective on machine-generated intelligence.
• LLM Visualization - Interactive tool for visualizing large language models (LLMs) and exploring their structure, behavior, and outputs.
• RR LM Game - Browser-based Language modelling game.

Prompt Engineering

• PromptPerfect - Cutting-edge prompt optimizer designed for large language models (LLMs), large models (LMs), and LMOps.
• Jailbreak Chat - Jailbreak collection for LLMs.
• MidJourney Styles and Keywords Reference - Styles and keywords for AI image generation.
• QuickRef ChatGPT - ChatGPT cheatsheet.
• OpenAI Cookbook - Cookbook by OpenAI providing practical guides for working with AI.
• Prompting Guide - Resource for creating effective prompts for AI models.
• Instaprompt - Platform offering instant prompts for writing.
• Midjourney Prompt Helper - Assists users in generating detailed and effective prompts for Midjourney, enabling the creation of high-quality images through natural language inputs.
• Free Midjourney Prompt - Offers a wide selection of free Midjourney prompts, allowing users to easily generate images by providing optimized natural language prompts.
• Prompt Engineering Guide - Serves as a comprehensive guide to prompt engineering, offering essential principles and techniques for crafting effective prompts for AI models and creative tasks.

AI tools

• Future Tools - Platform for finding the exact AI tool for your needs.
• WarpSound AI - Create high-quality generative AI music in seconds with just prompts.
• AI Tools Arena - Platform showcasing various AI tools and resources.
• Klavier AI - Allows you to do Q&A with ChatGPT on web pages and docs you choose.
• Aiva Valley - The latest source of AI tools and prompts.
• Bardeen AI - Automate manual work and tasks with AI without any code in minutes.
• Speechify - Power through documents, articles, PDFs, email—anything you read—by listening with their leading AI text-to-speech reader.
• Humata AI - Upload any PDF or document and get answers from it in seconds.
• Syntelly - Artificial intelligence for organic and medical chemistry.
• Warp.dev - Warp AI - AI-powered tool for building APIs without writing code.
• Feedback by AI - Platform utilizing AI for generating actionable feedback on writing.
• Seeing the World through Your Eyes - Reconstruct the world that is reflected through human eyes.
• Auxiliary Tools - Platform offering AI experiments and tools for humans.
• Hemingway Editor - Spellchecker, but for style.
• FuturePedia - Leading AI resource platform dedicated to empowering professionals across various industries to leverage AI technologies for innovation and growth.
• ExplainPaper - Platform where users can upload a research paper, highlight confusing text, and receive an explanation to make research papers easier to read.
• Summarize Tech - AI-powered tool to get a summary of any long YouTube video, such as lectures, live events, or government meetings.
• YouTubeTranscript - Get a YouTube video transcript and summaries

Data Science

• DataTau - Hackernews but for data
• DatasetList - List of machine learning datasets from across the web
• Stat Learning - Platform for learning statistics and related topics.

Databases

• ImageNet - Image database organized according to the WordNet hierarchy.
• DataSheets.com - Searchable database of electronic component datasheets and purchasing information, designed for design engineers and electronics purchasing agents.
• Academic Torrents - Community-driven platform for sharing large datasets, offering torrents for academic research, including scientific papers, datasets, and multimedia.
• DBLP - Comprehensive, open-access database providing bibliographic information on major computer science journals, conferences, and proceedings.

Веб -разработка

• Mozilla Developer Network - Documentation for web technologies, including CSS, HTML, and JavaScript.
• W3C - World Wide Web Consortium's official website, making it possible to use web technologies with different languages, scripts, and cultures.
• UX Core - UX Core allows you to explore many cognitive biases while creating software.
• Coggle - Collaborative mind-mapping tool for visualizing and organizing ideas related to web development.
• WebDevHome - Collection of web development resources and tutorials.
• Web Dev Resources - Curated list of awesome web development resources for developers.
• BBC Microbit Editor - Basic editor from BBC for Microbit programming.
• DemoFox - Blog with various links related to programming and development.
• Timeline of Web Browsers - Visualization of the timeline of web browsers until 2019.
• Is Houdini Ready Yet? - Tool to check the readiness status of various Houdini specifications in web browsers.
• Artillery - Modern load testing and smoke testing tool for SRE (Site Reliability Engineering) and DevOps.
• Rentry - Markdown pastebin service with preview, custom URLs, and editing, offering fast, simple, and free use with entries kept forever.
• Intab Resources - Curated Web Dev Tools 2021.
• Chrome Extension Kit ($) - Kit including 17 battle-tested starter templates for building Chrome Extensions, saving time on setup and focusing on shipping.
• Esoteric Codes - Platform exploring esoteric programming languages (esolangs), constraint-based coding, code art, code poetry, and more.
• FreeFormatter - Free online tools for developers, including formatters, validators, code minifiers, string escapers, encoders/decoders, message digesters, and more.
• dbdesigner.net - Online database schema design and modeling tool for free.
• Jvns blog - A list of new(ish) command line tools
• VisBug - Open-source browser design tools for web development.
• Web Design Repo - Repository of free web design resources for designers and developers.
• Web.dev Learn - Educational platform by Google providing resources and tutorials for web development.
• Devopedia - Knowledge hub covering various topics related to technology and software development.
• MadeWithBubble - Platform to discover interesting apps and websites created with Bubble, a visual web development platform.
• Interneting is Hard - Friendly web development tutorials designed for complete beginners.
• Airtable Toolkit - Platform allowing users to build apps that connect different parts of their work, ensuring synchronization within the business.
• Grey Software Resources - Up-to-date software resources curated and crowd-sourced by professionals and academics worldwide.
• Free-for.dev - List of software (SaaS, PaaS, IaaS, etc.) and other offerings that have free tiers for developers.
• Free Privacy Policy Generator - Tool to generate a free privacy policy, ensuring compliance with requirements from CCPA, GDPR, CalOPPA, Google Analytics & AdSense, and more.
• Mailinator ($) - Platform allowing developers and QA testing teams to test email and SMS workflows, including 2FA verifications, sign-ups, and password resets.
• Atlaq - Domain name generator.
• Addy's Toolkit - Collection of 806 hand-picked tools & resources for web designers & developers.
• BrowserBench - Speedometer 3.0 - A benchmark tool to measure the performance of web browsers, specifically testing responsiveness and the speed of modern web applications.
• UserAgents.me - Provides self-updating list of the latest and most common useragents seen on the web across all device types, operating systems, and browsers. Data is always fresh, updating weekly. This user agent list is perfect for web scrapers looking to blend in, developers, website administrators, and researchers. The most common useragents list is compiled from the user logs data of a number of popular sites across niches and geography, cleansed (bots removed), and enriched with information about the device and browser.

Внешний интерфейс

• SafeRules - Visual design rules that can be safely followed every time.
• Can I Email - Check email client compatibility for HTML and CSS features.
• Egg Gradients - Collection of gradient background colors.
• Frontend Checklist - Exhaustive list of all elements you need to have/test before launching your website/HTML page to production.
• Frontend Mentor - Platform to solve real-world HTML, CSS, and JavaScript challenges while working to professional designs.
• CodePen - Platform to build, test, and discover front-end code. Explore topics.
• Electron - Framework to build cross-platform desktop apps with JavaScript, HTML, and CSS.
• Homepage Gallery - Gallery featuring 500+ websites for web design inspiration.
• HTML Dog - Comprehensive resource on HTML, CSS, and JavaScript.
• Learn.shayhowe - Learn to code HTML and CSS.
• This vs That - Explore the differences between concepts in front-end development.
• Know-It-All - List of what you know and what you don't know about web development.
• You Might Not Need jQuery - jQuery alternatives.

HTML

• Hyperscript - Make websites written in plain-old markup a joy to use.
• htmx - htmx gives you access to AJAX, CSS Transitions, WebSockets, and Server Sent Events directly in HTML, using attributes, so you can build modern user interfaces with the simplicity and power of hypertext.

CSS

• CSS Solid - CSS references, tutorials, and articles.
• CSS-Tricks - Web design community powered by Digital Ocean.
• CSS Box Shadow Code Snippet - Code snippet for creating CSS box shadows.

JavaScript

• The Coding Cards ($) - JavaScript & Data Structures Flashcards. Essential Coding Concepts with Syntax and Examples.
• StandardJS - JavaScript style guide, linter, and formatter.
• Modern JavaScript Cheatsheet - A cheatsheet for the JavaScript knowledge you will frequently encounter in modern projects.
• JSONPlaceholder - A free fake API for testing and prototyping.
• Vue.js Cheat Sheet - Cheat sheet for Vue.js.
• JS Bin - Open-source collaborative web development debugging tool.
• JavaScript Event Keycode Info - Information about JavaScript event keycodes.
• jsDelivr - Free CDN for open source. Fast, reliable, and automated.

Back-End

• RunSidekick - Collect traces and generate logs on-demand without stopping & redeploying your applications.
• Vantage Instances - Compare Amazon's instance types, pricing, and other pages.

APIs

• Public APIs Directory - Discover public APIs
• Public APIs on GitHub - Collective list of free APIs for use in software and web development
• REST API Tutorial - Learn REST
• Spotify API Documentation - API documentation of Spotify
• Stripe API Documentation - API documentation of Stripe

SQL

• SQLZoo - Learn SQL in stages
• Bipp SQL Tutorial - Free SQL tutorial
• Select Star SQL - Interactive book for learning SQL
• Medium-Hard Data Analyst SQL Interview Questions - Collection of SQL interview questions
• SQL Translate - SQL to Natural Language and Natural Language to SQL translator. 100% free and open source
• Servers for Hackers - Server Admin for Programmers. Learn server tech for development and production.
• RubyGems Guides - Learn how RubyGems works and how to make your own

Web Analytics

• Pirsch - An open-source, cookie-free web analytics platform.
• Websites Milonic - Provides neatly reported important data for websites.
• WooRank (~$) - A tool for a free website review and SEO checker.
• Semji - A platform to improve the ROI of your content by creating high-performing SEO content.
• Web.dev - Allows you to measure the performance of your website and provides actionable insights.
• WebPageTest - A tool to test a website's performance.
• Fast.com - Measures your internet speed, latency, and upload speed.
• Pingdom Tools ($) - Allows you to test the page load time, analyze it, and find bottlenecks.
• Download Time Calculator - Estimates the time required to download any file based on your transfer speed without actually downloading the file.
• W3C Link Checker - Checks links and anchors in web pages or full websites.
• URLVoid - A website reputation/safety checker, helping detect potentially malicious websites.
• SimilarSites - Helps find similar websites and provides information about their statistics.
• LocaBrowser - Test how your website looks from different countries in real time.
• StatusVista - An all-in-one status page for the systems your product depends on.
• BuiltWith - Discover what technologies websites are built with, using a database of 59,905+ web technologies and over 673 million websites.
• CamelCamelCamel - A free Amazon price tracker that monitors millions of products and alerts you when prices drop.
• CloudPing - Perform an HTTP ping to measure network latency from your browser to various cloud data centers around the world.
• DownForEveryoneOrJustMe - Check if a website is down.
• DownDetector - Real-time problem and outage monitoring.
• GTmetrix - Analyze how your site performs, identify reasons for slowness, and discover optimization opportunities.
• WebhookWizard - Unlock data with webhooks.
• Lighthouse - An open-source, automated tool for improving the performance, quality, and correctness of web apps.
• Archive.md - A time capsule for web pages.
• Hypothesis - A conversation layer over the entire web, working everywhere without needing implementation by any underlying site (open community project).
• Loader.io - Free load testing service to stress test web apps and APIs with thousands of concurrent connections.
• Azure Speed Test - Tools for testing the speed and latency of Azure services.

Web 3.0 Dev and Cryptocurrencies

• Web3 is Going Great - Track examples of challenges in the blockchain/crypto/web3 technology space. The timeline covers events in cryptocurrency and blockchain-based technologies since the beginning of 2021.
• Blockchain Demo - A demonstration of how a blockchain works.
• DappRadar - Discover, track, and trade in the world of DeFi, NFTs, and Gaming.
• DeFi Pulse - A list of decentralized finance (DeFi) projects and their statistics.
• GlassChain - A non-profit organization based in Switzerland, where addresses, transactions, wallets, or providers are checked to recover bitcoins (or a fraction of them) that have been stolen or lost due to criminal acts. Bitcoin, Litecoin, Bitcoin Cash, and Dogecoin addresses are clustered into wallets for UTXO-based blockchains. Live, reliable, and 100% correct data is provided.

Software Engineering

• NoviceDock - Platform that provides resources and explanations across various software engineering areas.
• Morioh - Social network for developers to discuss topics about bugs and issues, share knowledge and connect the talents of millions of programmers and developers around the world.
• Algorithmica - High-Performance Computing - Algorithms for Modern Hardware by Sergey Slotin.
• ExBook - An Animated Introduction to Elixir.
• Ben Grosser Projects - Portfolio of projects by Ben Grosser.
• Cybercademy Project Ideas - Resource for exploring cybersecurity project ideas, providing inspiration for educational or practical cybersecurity initiatives.

Android Development

• Fossdroid - A platform for discovering and sharing open-source Android apps.
• Android Weekly - A weekly newsletter with curated news, articles, and resources related to Android development.
• F-Droid Repository Search - Allows you to search for apps available on the F-Droid repository, a collection of free and open-source Android apps.
• Exodus Privacy - Helps check permissions and trackers of Android apps, providing insights into the privacy aspects of different applications.
• Don't Kill My App - A website advocating against aggressive app background process limitations on Android, which can negatively impact app performance.
• Mobile X Files - Smartphones' secret codes and other hidden functions.
• MobileRead Wiki - A comprehensive resource for eReaders, eBooks, and related technologies, providing guides, FAQs, and tutorials for users of various mobile reading devices.

Game Development

• itch.io - A platform that provides a simple way to find and share indie games online for free.
• System Requirements Lab - Analyzes your computer's specifications in seconds, providing information on whether your system meets the requirements for various games.
• Kenney - Platform offering free game assets, graphics, and game development resources.
• Flash Games Archive - Archive of Flash games, preserving these classic games for future enjoyment.
• OpenGameArt - A platform offering free-to-use game assets, including 2D and 3D art, sound effects, and music for developers and game creators.
• Nexus Mods - One of the largest online communities for game modifications, offering a vast collection of mods for popular video games to enhance gameplay, add content, or personalize experiences.

Game Theory

• Ncase - Game Theory explanations with simple games.
• Alberta Games Research - A site from the University of Alberta offering resources and research related to game theory, computational models, and games as a computational study.
• Combinatorics.org - AS Fraenkel's bibliography of combinatorial game theory literature.
• Geometry and Graph Theory - A resource on Combinatorial Game Theory, featuring explanations, examples, and research on algorithms for combinatorial problems.

Покемон

• Pokemon Database - A comprehensive Pokémon database with news and updates.
• Serebii - Offers various news, features, archives, and explanations about Pokémon.

Chess

• The Chess Website - Learn, Practice, and Play Chess.
• Lichess - Free/libre, open-source chess server powered by volunteers and donations.
• Chess.com - Online platform for online chess.

Embeddings

• FPGA4Fun - Educational resources and tutorials focused on FPGA (Field-Programmable Gate Array) technology, providing practical guides for both beginners and advanced users.
• Wokwi - Online ESP32, STM32, Arduino simulator.
• x86 Instruction Set Reference - A mirror of the "Into the Void" reference for the x86 instruction set, providing a detailed guide to assembly language and processor instructions for x86 architecture.
• Analog Devices Wiki - Knowledge base with technical documentation, tutorials, and resources on analog and mixed-signal devices, aimed at engineers and developers.
• IEEE-754 Floating Point Converter - Tool to convert between the decimal representation of a number and the binary format used by modern CPUs, based on IEEE-754 standard.
• Guide to x86 Assembly - Guide to x86 Assembly by University of Virginia Computer Science

Linux

• Linux Journey - Platform for learning Linux.
• Run Linux in Your Browser - Run Linux or other operating systems in your browser.
• OS Directory - Platform that emulates a Linux distribution in your web browser.
• DistroWatch - Resource for Linux and BSD distributions, providing news, reviews, and comparisons to help users find and install the right operating system.
• SS64 - Reference guide containing syntax and examples for the most prevalent computing commands, covering databases and operating systems.
• SS64 Bash Keyboard Shortcuts - Reference guide for bash keyboard shortcuts.
• Command Line for Beginners - Overview of the Linux command line for beginners.
• Linux Journey - An educational website offering free, interactive lessons on Linux, covering everything from basic commands to advanced system administration.
• ExplainShell - A tool for explaining Linux shell commands, providing detailed breakdowns of command syntax and function.
• LibreHunt - Aid you on your Linux Distro (and potentially, Libre) hunt. Answer easy questions to get recommendations on which Linux distribution that meets your needs based on those responses.

Вим

• Vim Cheat Sheet - Vim cheat sheet.
• Learn Vim - A resource to learn Vim, the smart way.
• Vim Awesome - Search through listed Vim plugins
• Vim Adventures - An interactive game designed to teach users the fundamentals of the Vim text editor through engaging puzzles and challenges.
• Vimified - Platform for learning and practicing Vim, a free and open-source, screen-based text editor program.

Git

• Git - The Simple Guide - A straightforward guide for getting started with Git.
• Git Sheet - A quick reference guide for common Git commands.
• MiXLab on Google Colab - A mixture of Google Colab notebooks compiled from GitHub.
• Learn Git Branching - Interactive tool to learn Git branching through simulation of a git repository.

GitHub

• GitStalk - Platform to discover what individuals are working on in the GitHub community.
• GitExplorer - Tool to find the right Git commands without searching through the web.
• GitStats - Open-source GitHub contribution analyzer that provides insights into your GitHub activity.
• Gitcoin - Platform where individuals can get paid for contributing to open-source software in various programming languages and domains.
• Oh Shit, Git! - Resource providing solutions for common Git mistakes and how to recover from them.
• GitHub Trending Archive - Archive of trending repositories on GitHub, allowing users to explore popular projects and programming trends over time.
• Map of GitHub - Visual representation of the GitHub repository network.

Иды

• OneLang IDE - Online tool for converting code from one programming language to another.
• Theia IDE - Flexible and extensible cloud and desktop IDE platform, enabling efficient development and delivery of IDEs and tools using modern web technologies.
• VSCode Themes - A platform offering a wide variety of themes for Visual Studio Code, allowing users to personalize the look and feel of their coding environment with different color schemes and styles.

Конфиденциальность

• ToS;DR - Terms of Service; Didn't Read (short: ToS;DR).
• Nothing Private - Check why you are not anonymous when using private browsing mode or incognito mode. You can also read it here.
• TrustPage - Find and compare security policies for thousands of companies to choose the right software and services based on security policies sourced from around the web.
• Arkenfox User.js - Privacy and security-related browser extensions.
• Cookiepedia - The largest database of pre-categorized cookies and online tracking technologies.
• Security Planner - Get customized recommendations to cut down on data collection and prevent hacking.
• MyWhisper - A text encryption tool based on AES cryptography.
• BeEncrypted - Resources to become more encrypted.
• Prism Break - Private and safe alternatives to the most used apps and services.
• Reddit Piracy Megathread - A list of apps, tools, and web services.
• Ressources - List of websites on different areas such as security, OSINT, etc.
• Privacy Tools List by CHEF-KOCH - A comprehensive list of privacy tools.
• Privacy Analyzer - Analyze privacy settings for websites.
• Shut Up Trackers - Provides information for protecting your data security and privacy.
• EFF Surveillance Self-Defense - Tips, tools, and how-tos for safer online communications.
• Router Passwords - The most updated default router password repository on the internet.
• BugMeNot - Find and share logins for various websites.
• Security.org - Learn about your security score.
• LibreProjects - A list of 118 open-source hosted web services.
• Privnote - Send notes that will self-destruct after being read.
• Dangerzone - Platform for converting potentially unsafe PDFs, Office documents, or images into safe, viewable formats.
• ExifTool - Software for reading, writing, and editing metadata in image, audio, and video files.
• HideMyWeb - Tool to hide, blur, and highlight content on web pages.
• Browser.lol - Browse anonymously with a free virtual environment within your browser.
• OneTimeSecret - Platform for sharing a password, secret message or private link securely with one-time links.
• MetaDefender - Online tool for scanning and analyzing files for security threats, providing detailed reports on potential risks.
• FotoForensics - Online tool for analyzing and verifying digital images, providing forensic tools to detect alterations and edits in photos.

Cryptography

• Cryptologie - A website covering various topics in cryptography.
• Invisible - A tool that hides text in images and allows you to find hidden text.

GAFA Alternatives

• DeGoogle - Huge list of alternatives to Google products. Privacy tips, tricks, and links.
• Degooglisons Internet - Alternatives to FAANG.
• AccountKiller - AccountKiller collects direct links and deleting instructions to make account termination easy.
• JustDeleteMe - A directory of direct links to delete your account from web services.
• SmartTubeNext - Ad-free app for watching YouTube videos on Android TV boxes.
• Libredirect - Web extension that redirects YouTube, Twitter, Instagram requests to alternative privacy-friendly frontends and backends.

Ad Blocker

• Adblock Tester - Tool to check the effectiveness of your AdBlock extensions.
• 12ft - Remove paywalls and gain access to articles.
• Incoggo - Adblocker for paywalls.

Электронные письма

• BurnerMail - Protect your personal email address, control who can send you emails, and generate new burner addresses with one click.
• Kill the Newsletter - Transform email newsletters into Atom feeds for easier consumption.
• Dead Man's Switch (~$) - A service that sends your emails to your designated recipients if you don't interact with it within a specified timeframe.
• YAMM ($) - Mail merge for Gmail, allowing you to send mass emails with Gmail, ensuring delivery to the primary inbox. Track results in real-time directly from Google Sheets.

Disposable Email

• Erine Email - An anti-spam service for your existing email address.
• Maildrop - Use Maildrop when you don't want to give out your real email address.
• Mailsac (~$) - Offers disposable email services for testing and development purposes.
• InboxKitten - An open-source disposable email service.
• Guerrilla Mail - Allows you to compose emails and determine the domain, master passphrase, and password of your disposable email.
• EmailDrop - Enables you to create emails with custom or random domains in a highly minimalistic design.
• GetNada - Provides temporary email addresses.
• GetNotify - A free email tracking service that notifies you when the emails you send are read.
• MXToolbox (~$) - Offers free DNS and email tools in a single place for streamlined troubleshooting.
• Postale ($) - Allows you to create domain email addresses effortlessly in minutes.

Data Breach

• Have I Been Pwned - Check if your email or phone is in a data breach.
• TinEye - Find where images appear online.
• IPLeak - See the kind of information that all the sites you visit can see and collect about you.
• Cover Your Tracks - Test your browser to see how well you are protected from tracking and fingerprinting.
• Am I FLoCed - Check if Google is testing FLoC on your Chrome browser.

Поиск

• Startpage - Get privacy protection across the web.
• Neeva (~$) - Ad-free, private search engine with a subscription model.
• AndiSearch - Ad-free and anonymous search engine.
• Plex Page - Search summarization tool.
• Marginalia Search - Independent DIY search engine focusing on non-commercial content.
• Unlisted Videos - For submitting, searching for, and watching unlisted YouTube videos. No registration required.
• Filmot - Search within YouTube subtitles.
• XN--1-ZFA - Advanced search for Google, DuckDuckGo, Twitter, YouTube, Reddit.
• Seekr - Search engine that utilizes AI to analyze and score the quality of content, starting with news articles.
• Million Short - Discover content beyond the first million search results.

Интернет

• Internet Live Stats - Provides real-time statistics about the internet, including the number of websites, emails, and more.
• Internet Map - An interactive map that visually represents the internet, showing the relationships between various websites.
• Test IPv6 - Allows you to test your IPv6 connectivity and provides information about your network setup.
• TLS 1.2 Explained - Provides a detailed explanation of every byte in a TLS connection.
• CIDR.xyz - An interactive IP address and CIDR range visualizer.
• I Can Haz IP - Displays only your IP address at the top of the page.
• IP Location - Provides free location tracking of an entered IP address, including city, country, latitude, and longitude.
• Ifconfig.co - Helps you find your own IP address and provides information about it.
• IPinfo.io (~$) - Offers accurate IP address data for various use cases.
• Visual Subnet Calculator - A visual subnet calculator to help with IP address and subnet calculations.
• Ping Test - Online tool to measure network latency by sending test packets (pings) to a specified server, providing insights into connection stability and speed.
• LibreSpeed - Open-source internet speed test tool, offering accurate measurements of download, upload, and latency without requiring additional software installations.

DNS

• How DNS Works - Offers a colorful explanation of how DNS works with the help of comics.
• DNS Checker - Provides a free DNS lookup service to check Domain Name System records against a selected list of DNS servers worldwide.
• AdGuard DNS Providers - A list of DNS providers that you can configure to use instead of the default provided by your router or ISP.
• DNS Speed Test - Fast DNS server speed test tool, allowing users to find the most optimal DNS server for faster internet browsing with no installation required.

URL

• URL Tools - Various tools for URLs.
• OneLink - Platform for creating links and QR codes for your apps.
• QR Code Generator - Tool for generating QR codes.
• AppOpener - Create smart links to open desired apps from URLs without login.
• Who Is Hosting Any Domain - Find out who is hosting any domain, including web host, IP address, name servers, and more.
• Webhook.Site - Platform to inspect, test, and automate any incoming HTTP request or email.
• GoQR.Me - Generator for high-resolution QR codes suitable for print.
• Open Graph Generator - Tool for generating Open Graph images.

URL Shortener

• Rebrandly (~$) - A link management platform to brand, track, and share short URLs using a custom domain name.
• Bit.do - Provides real-time traffic statistics for your links for free.
• s.id - Link shortener and microsite builder.
• TinyURL - Offers optional short link endings.
• Tiny.cc - Offers optional short link endings.
• Bitly - Web/mobile link management and campaign management analytics as well as branded links.
• iplogger.org - URL shortener with advanced analytics for the traffic through your links, visitors on your online store, blog, or website.
• cutr.ml - URL shortener.
• is.gd - URL shortener.
• gg.gg - URL shortener.
• shrunken.com - URL shortener.

VPN

• Top10VPN - A platform providing information and reviews about various VPN services.
• What's My Browser - Check your browser details, including version and plugins.
• VPN Comparison Spreadsheet - A detailed list of all VPNs with analysis and comparisons.
• Njalla ($) - Provides an encrypted tunnel from your computer to the Internet, hiding your real IP address behind one of theirs.

Fake Information Generation

• Fake Name Generator - Generate fake profile information, including names, addresses, and phone numbers, from 37 languages and 31 countries.
• Burner - An app for creating temporary second phone numbers for calling and texting, useful for privacy and avoiding spam.
• Random.org - A service for generating true random numbers, lists, strings, and maps.

Password Generation

• Everything About Passwords and Internet Security - Comprehensive information on passwords and internet security.
• Random Password Generator - Generate random and secure passwords.
• How Secure Is My Password? - Check the security strength of your password. Entries are secure and not stored or shared.
• Password Generator - Generate secure passwords easily.

Softwares

• OlderGeeks - Ad-free software download site supported by donations, providing a hassle-free experience.
• AlternativeTo - Discover the best alternatives to popular software based on user recommendations.
• Open Source Alternative - Platform providing open-source alternatives to proprietary software.
• Dark Mode List - List of 300 apps that support dark mode.
• LocalStack - Develop and test cloud and serverless apps offline.
• Markwhen - Text-to-timeline tool converting markdown-ish text into a cascading timeline.
• Asciinema - Record and share your terminal sessions with a purely text-based approach.
• Apache Guacamole - Clientless remote desktop gateway supporting protocols like VNC, RDP, and SSH.
• DockerSwarm.rocks - Deploy your application stacks to production in a distributed cluster using Docker Compose files.
• EasyCron (~$) - Online cron job service (Paid).
• CDecl - Translate C gibberish to English, helping you understand complex C declarations.
• NirSoft - Collection of small utilities for Windows, including system tools, password recovery tools, and more.
• Ninite - Install and update multiple programs at once without toolbars or unnecessary clicks.
• ReadWok - Online text reader with a progressive viewing mode, allowing paragraph-by-paragraph reading and editing.
• BitwiseCMD - Online bitwise operations and conversions.
• Commands.dev - Searchable, templated catalog of popular terminal commands curated from across the internet.
• SourceForge - Web-based service that allows you to compare, download and develop open source and business software.

Snippets

• CodeClippet - Platform for sharing code snippets within a community-focused environment.
• Kod.so - Platform for creating visual snippets, with the ability to download and share them.
• CodePNG - Tool for creating pictures from source code by converting code into images.
• CodeMyUI - Website providing web design and UI inspiration with curated code snippets.
• 30 Seconds of Code - Curated collection of short code snippets for various development needs.
• W3Schools HowTo - W3Schools section offering code snippets for HTML, CSS, and JavaScript.
• Snipplr - Platform for keeping frequently used code snippets in one accessible place, allowing users to share and discover code snippets.
• LittleSnippets - Platform for sharing and discovering small code snippets.
• CodeToGo - Resource to find up-to-date snippets for JavaScript and React use cases.
• TweetSnippet - Curated list of tips and tricks from Twitter, presented in code snippet form.
• CSS-Tricks Snippets - Collection of CSS snippets covering various design and layout techniques.
• Crontab Guru - Quick and simple editor for cron schedule expressions, providing human-readable explanations.
• Crontab Generator - Online tool to generate cron schedule expressions with a user-friendly interface.
• Carbon - Web-based tool for creating and sharing beautiful images of source code snippets with syntax highlighting.

Linters

• FromLatest.io - Dockerfile linter for checking the syntax and best practices in Dockerfiles.
• YAMLlint - Online tool to check the validity of YAML code and provide a clean UTF-8 version optimized for Ruby.
• K8sYaml - Kubernetes YAML Generator for creating Kubernetes configuration files.
• Puppet Validator - Tool to check the validity of Puppet code syntax without compiling or enforcing a catalog.
• ShellCheck - Online platform for finding bugs in shell scripts by analyzing and providing suggestions for improvement.
• Beautifier.io - Online tool to beautify, unpack, or deobfuscate JavaScript and HTML, and make JSON/JSONP readable.
• JSONLint - Validator and reformatter for JSON, providing tidying and validation for messy JSON code.
• Algorithm Visualizer - Interactive platform that visualizes algorithms from code to help understand their execution.
• CodeBeautify - Online platform offering code formatting tools, including JSON beautifier, XML viewer, hex converters, and more.
• ExplainShell - Tool to explain command-line commands by displaying the help text for each argument.
• ShowTheDocs - Documentation browser that finds relevant docs for your code, making it easier to explore and understand.
• Mango - Specification Interpretation - Technique to interpret specifications and automatically identify defects such as logical contradictions, over-complexity, and inconsistency of entity names.
• Code Minifier - Online tool for minifying code to reduce file size and improve load times.
• Markdown Preview - Online tool for previewing and formatting Markdown text.
• Code Beautifier - Online tool for beautifying and formatting code for improved readability.
• CodePad - Online compiler/interpreter and collaboration tool, allowing users to run and share code snippets with a short URL.
• JSON Formatter - Online JSON parser and formatter.

Тестирование

• OWASP Fuzzing Project - The official page for the OWASP Fuzzing Project, which aims to improve the overall state of fuzzing tools, techniques, and processes.
• Awesome Fuzzing - A curated list of fuzzing resources, including tools, tutorials, research papers, and more.

Regex

• Regex Cheat Sheet - A helpful guide for regular expressions.
• RegExr - An online tool to learn, build, and test Regular Expressions (RegEx/RegExp).
• Regulex - JavaScript Regular Expression Visualizer for understanding and visualizing regular expressions.
• Regex101 - An online regex tester and debugger.
• Debuggex - A visual regex tester that allows you to understand how your regular expression works.
• UI Bakery Regex Library - Collection of regular expressions for UI design.

No-Code

• No Code List - Browse categories to discover over 300 no-code tools.
• No-Code Things - A collection of no-code tools.

Licensing

• ChooseALicense - Appendix - Additional information and resources related to open source licenses.
• GitHub Docs - Licensing a Repository - GitHub's documentation on licensing a repository.
• Public License Selector - Helps you choose an open source license based on your preferences.
• Creative Commons License Chooser - Choose a Creative Commons license that suits your content sharing preferences.
• License Buttons - Get buttons for your website that indicate the license terms of your content.
• Shields.io - Create custom badges (shields) for your GitHub repositories, providing information like license, version, and more.

Programming Languages

• EbookFoundation-Free-Programming-Books - Free and open source programming books
• Codecademy Catalog - Platform offering a catalog of courses for learning various programming languages and technologies.
• Learn X in Y Minutes - Resource providing a quick whirlwind tour of various programming languages.
• eComputerNotes - Learning resource for online education, covering a wide range of computer science and programming topics.
• Libraries.io - Platform to discover new open-source packages, modules, and frameworks, and keep track of dependencies.
• LearnByExample - Platform to learn Python, SQL, and R languages with examples and practical explanations.
• PythonTutor - Tool that helps users learn Python, JavaScript, C, C++, and Java programming by visualizing code execution step by step.
• Classic Papers in Programming Languages and Logic - Collection of seminal academic papers on programming languages and logic, curated by Carnegie Mellon University.

Питон

• Python Documentation - Official documentation for the Python programming language.
• Python Wiki - Collaborative platform providing information and resources related to Python.
• Awesome Python - Curated list of awesome Python frameworks, libraries, software, and resources.
• Project Python - Platform offering Python tutorials and resources for learning and development.
• Learn Python - Interactive platform providing tutorials and exercises to learn Python programming.
• CSCircles - Online platform offering interactive Python exercises and resources, developed by the University of Waterloo.
• PythonBasics - Website providing resources and tutorials for learning Python basics.
• Majyori - Platform offering Python tutorials and resources for learners of all levels.
• PyFormat - Website comparing Python formatting styles with examples from different versions.
• Learn by Example - Python Resources - Collection of Python resources and tutorials for various topics.
• Data to Fish - Platform offering clear Python tutorials covering topics such as machine learning, databases, pandas, GUI, and more.
• Notion Programming Course - Self-study course for learning to build basic web applications in Django, hosted on Notion.

C ++

LearnCpp.com - A comprehensive resource for learning C++ programming.

Coding Practice / Competitive Programming

• LeetCode - Platform for practicing coding problems with a focus on algorithmic challenges.
• NeetCode - Coding practice website designed to enhance your skills through real-world projects and collaborative coding.
• HackerRank - Coding platform offering challenges in various domains, from algorithms to artificial intelligence.
• CodeWars - Community-driven platform providing coding challenges with a focus on improving through peer-reviewed solutions.
• Project Euler - Mathematics-oriented coding platform, featuring challenging problems to encourage problem-solving through programming.
• Kattis Guide - A guide to solving competitive programming problems using the Kattis platform, providing tips, problem-solving strategies, and resources for participants.
• Kaggle - Data science platform that hosts competitions, datasets, and notebooks, fostering collaboration and innovation in the field.
• Replit - Online coding environment facilitating collaborative coding, with features like live sharing and a wide range of supported languages.
• AlgoLeague - Competitive programming platform for practicing algorithmic problem-solving.
• Codeforces - Online competitive programming platform offering contests and a vast problem set, attracting a diverse international user base.
• AtCoder - Japanese competitive programming platform hosting contests and exercises to enhance algorithmic skills.
• InterviewBit - Platform offering coding interview questions and challenges to help prepare for technical interviews.
• Advent of Code - Advent calendar of small programming puzzles suitable for various skill sets and levels, solvable in any programming language.
• CList - List of competitions from various programming websites, providing a centralized resource for upcoming contests.
• Codeply - Free online editor featuring dozens of frameworks, starter templates, and over 50,000 code snippets.
• URI Online Judge - Platform for training algorithms and programming challenges to enhance programming skills.
• Rosalind - Platform for learning bioinformatics and programming through problem-solving.
• Kattis - Platform with hundreds of programming problems to solve, helping users practice and improve their coding skills.
• Exercism - Platform for developing fluency in 67 programming languages through a unique blend of learning, practice, and mentoring, offered for free.
• Codility - Platform offering coding challenges to assess and improve algorithmic and problem-solving skills.
• r/dailyprogrammer - Subreddit on Reddit featuring daily programming challenges and discussions for coding enthusiasts.
• Daily Coding Problem - Service that sends daily coding challenges to subscribers to improve coding and problem-solving skills.
• Coderbyte - Platform with coding challenges and interview preparation resources to enhance programming skills.
• CodinGame - Online platform gamifying coding challenges, making learning and practicing programming more engaging.
• A2OJ - Competitive programming resource providing a structured ladder system to improve problem-solving skills, categorized by difficulty levels and topics.
• CodeChef - Competitive programming website with regular contests and a large problem archive, catering to a global coding community.
• USACO - USA Computing Olympiad platform, providing programming contests to encourage and identify talented young programmers in the United States.
• USACO Guide - Comprehensive, free resource collection guiding users from Bronze to Platinum levels and beyond in competitive programming.
• JoinCPI - Platform dedicated to promoting competitive programming among students through resources, classes, outreach, and contests.
• CP-Algorithms - Website providing a detailed guide to algorithms specifically tailored for competitive programming, offering in-depth explanations and examples.
• CSS Battle - Platform challenging users to use CSS skills to replicate targets with the smallest possible code.
• JavaScript Quiz - Website offering quizzes focused on testing and enhancing knowledge of JavaScript programming language.
• Elevator Saga - Game for learning and practicing JavaScript.
• Deep ML - Website offering ML Code Challenges.
• Hack The Box - An online platform for hacking training, offering virtual environments and challenges to help individuals and organizations develop cybersecurity skills.

Capture the Flag

• CTF101 - Platform providing educational resources for those new to Capture The Flag competitions.
• CTFtime - Archive of Capture The Flag events, teams, and timelines.
• Google CTF on GitHub - Google's Capture The Flag competition resources available on GitHub.
• Meusec CTF Resources - Meusec's collection of Capture The Flag (CTF) resources in cybersecurity.
• Trail of Bits - CTF Guide - Guide by Trail of Bits providing insights and tips for participating in Capture The Flag competitions.

Projects

• Projects-Solutions on GitHub - GitHub repository providing project-based coding challenges for learning programming through practical applications.
• Build Your Own X - GitHub repository providing guides on building your favorite technologies from scratch.
• Arduino Project Hub - Hub for sharing and discovering Arduino projects.
• Projects in Networking - Resource for networking projects, network security projects, cyber security case studies, and source code for students, graduates, and professionals in the computer networking and security domain.

Открытый исходный код

• LibHunt - Platform for discovering trending open-source projects and their alternatives.
• Awesome Open Source - A platform to find open source projects by searching, browsing, and combining topics across various categories and projects.
• Open Source Libs - A massive collection of the world's best open source software.
• CodeTriage - A list of open source repositories' issues that you can contribute to, with the option to receive issues via email if you sign up.
• GitLab Explore - Explore projects on GitLab.
• Open Source Guide - Guide providing resources for launching and growing open source projects.
• The Architecture of Open Source Applications - Book series about the design and architecture of various open-source software projects.
• OSS Gallery - A crowdsourced collection of the best open-source projects across the internet, providing an easy way to discover and explore top software repositories and tools.

Hackathons

• DEVPOST Hackathons - Find online and in-person hackathons.
• GitHub Education Events - Find members of the community at hackathons, conferences, and events near you.
• Hackathons by Hack Club - Curated list of high school hackathons, featuring 699 events in 27 states and 18 countries.
• Cerebral Valley AI Events - Provides information on upcoming AI-related events, hackathons, and co-working opportunities.

Cheat Sheets

• DevHints - Collection of cheatsheets for various programming languages and tools.
• Cheatography - Platform providing user-generated cheat sheets on various topics.
• Sound of Sorting Algorithm Cheat Sheet - Cheat sheet related to the "Sound of Sorting" algorithm visualization project.
• SANS Cheat Sheets - Ultimate list of SANS cheat sheets covering general IT security topics.
• Codecademy Cheatsheets - Collection of cheat sheets for various programming languages and concepts.
• Awesome Cheatsheets - Curated list of awesome cheatsheets covering a wide range of programming languages, tools, and topics.
• OverAPI - Platform providing centralized access to cheatsheets and quick references for various programming languages and frameworks.
• Nota Language - Document language designed for the browser, offering a simplified syntax for creating web-based documents.
• Cheat-Sheets.org - Compilation of cheat sheets, round-ups, quick reference cards, guides, and sheets covering various topics.

Python Cheat Sheet

• Speedsheet - An interactive Python cheatsheet for faster and better coding.
• Python Cheatsheet - A cheatsheet based on the book "Automate the Boring Stuff with Python" and various other sources.
• Zero to Mastery Python Cheat Sheet - Python cheat sheet provided by Zero to Mastery.

Front-end Cheat Sheet

• Can I use - Provides up-to-date browser support tables for front-end web technologies on desktop and mobile browsers.
• Easings - Helps you choose the right easing function for animations.
• WebCode.tools - Code generators to assist with front-end web projects.
• MarkSheet - Offers a free HTML and CSS tutorial.
• Xul.fr - A tutorial and index for CSS, HTML, and JavaScript.
• Emmet Cheat Sheet - A cheat sheet for Emmet, a toolkit for web developers to write HTML and CSS code faster.

HTML Cheat Sheet

• HTML Cheat Sheet - Comprehensive HTML cheat sheet covering various elements and attributes.
• HTML5 Doctor Element Index - Quick reference for elements that are new or redefined in HTML5.
• HTML5 Canvas Cheat Sheet - Cheat sheet for HTML5 Canvas, providing a quick reference for its properties and methods.
• HTML Vocabulary - Resource providing an HTML vocabulary, categorizing elements and their relationships.
• HTML Reference - Free guide to HTML, featuring all HTML elements and attributes with detailed explanations.

CSS Cheat Sheet

• CSS Reference - Comprehensive reference guide for CSS properties and selectors.
• Grid Malven - Interactive guide for CSS Grid layout.
• Flexbox Malven - Interactive guide for CSS Flexbox layout.
• Justin Aguilar Animations - Collection of CSS animations with live previews.
• CSS Grid Cheat Sheet - Visual cheat sheet for CSS Grid layout.
• Adam Marsden CSS Cheat Sheet - CSS cheat sheet with concise explanations and examples.
• Responsive Web Design Cheat Sheet - PDF cheat sheet for responsive web design principles.
• Media Queries Cheat Sheet - Cheat sheet for CSS3 media queries.
• Bootsnipp - Platform providing design elements, playground, and code snippets for Bootstrap HTML/CSS/JS framework.
• Bootstrap Cheatsheet - Visual cheat sheet for the Bootstrap framework.
• HackerThemes - UI/UX resources based on the Bootstrap framework.

Building Computer / PC Build

• PCPartPicker - Tool for planning and building custom PCs, enabling users to create part lists, compare prices, and ensure compatibility between components.
• PCBuilder - Platform for designing custom PC builds, providing component compatibility checks, price comparisons, and configuration options for users.
• PC Builds - Resource for custom PC builds, offering curated lists of compatible components, guides, and recommendations for various performance levels and budgets.
• LinearMouse - Utility for Mac that provides advanced mouse and trackpad customization options, allowing users to fine-tune gestures, button mappings, and scrolling behavior.

Клавиатура

• MechanicalKeyboards - Largest dedicated catalog of mechanical keyboards worldwide, offering fast shipping and after-sale support.
• Keycaps.info - Resource for keycap enthusiasts, providing information on various keycap profiles, designs, and compatibility for mechanical keyboards.
• Keybr - Website offering a platform for improving touch typing skills with customizable lessons.
• PairType - Online tool for practicing touch typing with a partner in real-time.
• KeyCombiner - Platform for learning and practicing keyboard shortcuts and key combinations.
• Yip-Yip - Online tool providing keyboard shortcuts for various applications and programs.
• Keebmaker - Resource for creating custom mechanical keyboards.
• Colemak - Learn - Learning resources for the Colemak keyboard layout.

Typing Practice

• TypeFast - A typing practice platform designed to help users improve their typing speed and accuracy through engaging challenges and exercises.
• 10FastFingers - Typing test platform to measure typing speed and accuracy in English.
• TypingClub - Platform providing interactive typing lessons and games to improve typing skills.
• Typing.com - Online resource offering typing lessons, games, and tests for learners of all levels.

Keyboard Shortcuts

• UseTheKeyboard - Collection of keyboard shortcuts for Mac apps, Windows programs, and websites, covering a wide range of common applications.
• ASCII Tables - Online resource providing an ASCII table, ALT codes, Z Score table, Greek Alphabet, T Distribution table, and a Binary Translator.
• ShortcutFoo - Platform for practicing keyboard shortcuts for free, supporting Mac, Windows, Linux, and offering cheat sheets for various applications, languages, and terminals.
• Microsoft Word Keyboard Shortcuts - Official Microsoft Office support page providing a comprehensive list of keyboard shortcuts for Microsoft Word.

Other Websites of Websites

• Stumbled.to - Platform for discovering and sharing interesting websites and content.
• 5000Best - Curated collection of the 5000 best websites across various categories.
• Neal.fun - Website featuring entertaining and interactive projects.
• Tennessine - Collection of political, mathematical, and fun projects for the web.
• Blakeir - Blog post listing some YouTube pages with smart and insightful content.
• AwesomeOSINT on GitHub - GitHub repository containing a curated list of open-source intelligence tools and resources.
• MadeWithBubble - Platform to discover apps and websites created using the Bubble development platform.
• NoviceDock - Platform offering curated resources for learning programming and related topics.
• Hackr.io - Platform to find programming courses and tutorials recommended by the programming community.
• Limnology - Curation of educational YouTube channels in 20 different languages, categorized by topic, with the option to find similar channels.
• Tech Blogs - List of Awesome Tech Blogs.
• Track Awesome List - Track over 500 awesome list updates, and you can also subscribe to daily or weekly updates via RSS or News Letter.
• Internet Is Fun - Collection of fun and interesting websites on the internet.
• Wiby - Search engine for the classic web, aiming to recreate the browsing experience of earlier days of the internet, particularly suitable for vintage computers.

Внося

• If you find out any broken link or any website that has been outdated, please rise an issue.

• If you want to add a new category or website, create a pull request (To avoiding duplications, seach whether your website is already included).

• If you are a site owner and believe that your site is not described accurately, please rise an issue.

DISCLAIMER

By accessing and using the Awesome Useful Websites project ("the Project") on GitHub, you agree that the Project is not affiliated with, sponsored by, or endorsed by any of the websites listed. While efforts are made to maintain accurate and up-to-date information, the Project makes no guarantees regarding the accuracy, completeness, or reliability of the content. Changes of the content of linked websites are beyond the Project's control. The Project is provided "as is" without any warranties, express or implied.

ЛИЦЕНЗИЯ

This work is licensed under a Creative Commons Attribution 4.0 International.