A commercially supported, open-source distribution of the popular web application test automation tool Selenium Remote Control. Built by the original author of the Selenium, Sauce RC is easy to install and has the latest fixes and browser support.
Steel Rats is a gui wrapper for the command line source code auditing tool RATS. It examines C, Perl, php and python code for keywords that could cause security holes and provides a report for you to further investigate the possible security holes.
...Being XML-based, it can be easily translated to almost any language. The current translations are C#, Java, JavaScript, and Visual Basic. Future translations include C++, Python, Perl, and PHP.