PracticeProtect - Network security & identity management
Exploit Pack - Exploit Pack is an open source project security that will help you adapt exploit codes on-the-fly.
Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...
ZoomEye - Network mapping service
Intruder - Intruder is a security monitoring platform for internet-facing systems.
Armitage - Armitage makes penetration testing easy by adding a GUI to the Metasploit framework