penetration testing

Testing non-client painting in Windows.

Firefox Add-On for Auto-Form Filling, Web Scraping, Scripting and Web Testing

Auto-Form Filling, Data Extraction and Web Testing Internet Explorer PlugIn

A tool that attempts to gather data to assist with penetration

Test data for regression testing, load/stress testing

Master Python with powerful code intelligence, editing, testing, debugging, and search capabilities.

An interactive digital logic simulator to be used for teaching of logic design or testing simple digital designs.

An efficient COM/RS232 stress-testing tool for software/hardware developers

Resize Browser is a tray icon testing utility.

Fixturefileupload is another nifty Rails testing feature.