Exploit Pack - Exploit Pack is an open source project security that will help you adapt exploit codes on-the-fly.

HxD - HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and...

ZoomEye - Network mapping service

IDA - The best-of-breed binary code analysis tool, an indispensable item in the toolbox of world-class software analysts, reverse engineers, malware analyst and cybersecurity professionals.

Armitage - Armitage makes penetration testing easy by adding a GUI to the Metasploit framework

Hex Workshop - Hex Workshop: Hex Editor, Sector Editor, Base Converter and Hex Calculator for Windows