BLACKBUNTU – Penetration Testing distribution
Blackbuntu is distribution for penetration testing which was specially designed for security training students and practitioners of information security.
GnackTrack – Penetration Testing Distro for Gnome Fans
GnackTrack is an open and free project to merge penetration testing tools and the linux Gnome desktop. GnackTrack is a Live (and installable) Linux distribution designed for Penetration Testing and is based on Ubuntu.
BackBox is a Linux distribution based on Ubuntu. It has been developed to perform penetration tests and security assessments. Designed to be fast, easy to use and provide a minimal yet complete desktop environment, thanks to its own software repositories, always being updated to the latest stable version of the most used and best known ethical hacking tools.
MATRIUX – Open source distribution for ethical hacking and penetration testers
The Matriux is a fully featured security distribution consisting of a bunch of powerful, open source and free tools that can be used for various purposes including, but not limited to, penetration testing, ethical hacking, system and network administration, cyber forensics investigations, security testing, vulnerability analysis, and much more. It is a distribution designed for security enthusiasts and professionals, although it can be used normally as your default desktop system.
Samurai WTF Framework
The Samurai Web Testing Framework is a LiveCD focused on web application testing. Samurai is a collection of the top testing tools pre-installed, to build the perfect environment for testing applications.