Metasploit

Metasploit Community Edition simplifies network discovery and vulnerability verification for specific exploits, increasing the effectiveness of vulnerability scanners such as Nexpose - for free.

Free Personal Windows Linux BSD

Social-Engineer Toolkit

The Social-Engineer Toolkit is an open source penetration testing framework designed for social engineering. SET has a number of custom attack vectors that allow you to make a believable attack quickly.

Free Open Source Mac OS X Linux Python

Armitage

armitage is a graphical cyber attack management tool for metasploit that visualizes your targets, recommends exploits, and exposes the advanced capabilities of the framework.

Free Open Source Mac OS X Windows Linux

Core Impact Pro

Core Impact Pro is the most comprehensive software solution assessing and testing security vulnerabilities throughout your organization.

Commercial Windows Linux

Exploit Pack

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

Free Open Source Mac OS X Windows Linux