Esta es la primera versión de hojas de trucos de herramientas CTF útiles. Estoy planeando actualizarlos con nuevas herramientas útiles.
Gracias a compartir por un buen consejo para agregar los enlaces para herramientas. Aquí están los enlaces a las herramientas de hojas de trucos:

GDB - http://www.gnu.org/software/gdb/download/
Ida Pro - https://www.hex-rays.com/products/ida/support/download.shtml
Inmunity Debugger - http://debugger.immunityinc.com/
Ollydbg - http://www.ollydbg.de/
radare2 - http://www.radare.org/y/?p=download
Hopper - http://www.hopperapp.com/download.html
NM - Herramienta Unix/Linux
objdump - herramienta Linux
Strace - Linux Tool
Ilspy - http://ilspy.net/
JD-Gui-http://jd.benow.ca/#jd-gui-overview
Ffdec - http://www.free-decompiler.com/flash/download.html
dex2jar - http://code.google.com/p/dex2jar/
Uncompyle2 - https://github.com/wibiti/UnCompyle2
Windows:
Hxd - http://mh-nexus.de/en/hxd/
Neo-http://www.new-hex-editor.com/hex-editor-dowloads.html
Linux:
Bless - http://home.gna.org/bless/downloads.html
wxhexeditor - http://www.wxhexeditor.org/download.php
EXE Desempaquetadores - Desempaquetado Kit 2012 - http://forum.exetools.com/showthread.php?t=13610
Wireshark, Tshark - https://www.wireshark.org/download.html
OpenVPN - https://openvpn.net/
Openssl - https://www.openssl.org/related/binaries.html
tcpdump - http://www.tcpdump.org/
netcat - http://netcat.sourceforge.net/
nmap - http://nmap.org/download.html
Openstego - https://www.openstego.com y https://sourceforge.net/projects/openstego/
OutGuess - http://www.outguess.org/download.php
Silenteye - http://www.silenteye.org/download.html
Steghide - http://steghide.sourceforge.net/download.php
Stegfs - http://sourceforge.net/projects/stegfs/
pngcheck - http://www.libpng.org/pub/png/apps/pngcheck.html
GIMP - http://www.gimp.org/downloads/
Audacity - http://audacity.sourceforge.net/download/
Mp3stego - http://www.petitcolas.net/steganography/mp3stego/
ffmpeg (para análisis de video) - https://www.ffmpeg.org/download.html
DD - herramienta UNIX/Linux
cadenas - herramienta Unix/Linux
Scalpel - https://github.com/sleuthkit/scalpel
Trid-http://mark0.net/soft-trid-e.html
Binwalk - http://binwalk.org/
Foremost - http://foremost.sourceforge.net/
ExifTool - http://www.sno.phy.queensu.ca/~phil/exiftool/
Marco forense digital (DFF) - http://www.digital-forensic.org/download/
Entorno de investigación asistido por computadora (Caine) Linux Forensics Live Distribution - http://www.caine-live.net/
El kit Sleuth (TSK) - http://www.sleuthkit.org/sleuthkit/download.php
Volatilidad - http://code.google.com/p/volatility/
Editores de texto:
Texto sublime - http://www.sublimetext.com/
Notepad ++-http://notepad-plus-plus.org/
Vim - http://www.vim.org/
Emacs - http://www.gnu.org/software/emacs/
Cryptool - https://www.cryptool.org/
Hashpump - https://github.com/bwall/hashpump
Sabio - http://www.sagemath.org/
John the Ripper - http://www.openwall.com/john/
Xortool - https://github.com/hellman/xortool
http://www.crypo.com/
http://www.cryptool-online.org/
http://rumkin.com/tools/cipher/
Módulos para Python - Pycrypto - https://www.dlitz.net/software/pycrypto/