[Unofficial] A collection of links that will make the competitive programming site AtCoder even more fun. We have compiled unofficial services, tools, libraries, articles, and more by volunteers.
DEMO

AtCoder User - You may be able to solve any problems or inconveniences. Try using services and tools that interest you!
Developers - We hope that not only will the number of users of published services and tools increase, but it will also lead to searching for topics and joint development.
AtCoder Management Team - Taking into account the overall picture of informal services and tools, I think this will be one of the key factors to determine whether or not there is a formal response. It could also be used as a reference material for businesses.
Company Recruitment Managers - I think this will be one of the key factors to evaluate the practical abilities and potential of AtCoder users. In turn, this may also lead to more efficient human resource discovery.
Thank you for supporting the development and operation of this service.
We have several perks available to those who donate through GitHub Sponsors.
Due to changes in specifications of the official AtCoder (hereinafter referred to as official) or various circumstances, public services and tools may not be available without notice. note that.
For inquiries regarding services, tools, etc., please contact the publicly available contact information by the developer . Please do not contact the management team as this is not covered by official support.
Please use this service at your own risk.
It will be delivered on Twitter every Wednesday from 18:30 to 19:30.
contact address
How to participate in this project
@KATO-Hiro
MIT