The Samurai Web Testing Framework is a live linux environment that has been pre-configured to function as a web pen-testing environment. The CD contains the best of the open source and free tools that focus on testing and attacking websites. The tools included are used in all four steps of a web pen-test.
Starting with reconnaissance, tools such as the Fierce domain scanner and Maltego. For mapping, tools such as WebScarab and ratproxy. Tools for discovery include w3af and burp. For exploitation, the final stage, BeEF, AJAXShell and much more have also been included.