The latest big buzz is Fast-Track released recently at ShmooCon by Securestate, basically Fast-Track is an automated penetration suite for penetration testers.
For those of you new to Fast-Track, Fast-Track is a python based open-source project aimed at helping Penetration Testers in an effort to identify, exploit, and further penetrate a network. Fast-Track was originally conceived [...]

The Metasploit Framework is an advanced open-source exploit development platform. The 3.0 tree represents a complete rewrite of the 2.0 codebase and provides a scalable and extensible framework for security tool development. The 3.0 Beta 3 release includes support for exploit automation, 802.11 wireless packet injection, and kernel-mode payloads.
Windows users are now presented with a [...]

The Metasploit Framework is an advanced open-source exploit development platform. The 2.7 release includes three user interfaces, 157 exploits and 76 payloads.The Framework will run on any modern operating system that has a working Perl interpreter. The Windows installer includes a slimmed-down version of the Cygwin environment.
Windows users are encouraged to update as soon [...]