Supports tests, providing lightweight, throwaway instances of database
Render Web Services for Viewing/Monitoring and Test Web Applications
HTML5 Browser automation tool
A graphical, cross-browser, easy and Selenium-based testing tool
A free, open source, and easy to use HTML editor
Madcow 2.0 - Advanced Test Automation
Automate your software testing, the fastest way!
PunyKit - it's a very simple webkit-based browser.