A Python re-write and extension of the (apparently abandoned) Hackbot script. It is designed to assist in the footprinting and enumeration phases of penetration testing.
Sherlock Roams is a Python-based password auditing tool for Un*x-based systems. It uses a brute force approach on the shadow file (or the regular password file if that fails) to determine which users on your system have obviously insecure passwords.
Open source Penetration Testing Suite for IT professionals and penetration testers. SecTest automates the boring repetitive procedures of penetration testing.