proxy-based, automation and testing tool for web apps

Here is another proxy-based, automation and testing tool for web apps.

It is Sahi and is described as:

Sahi is an automation and testing tool for web applications, with the facility to record and playback scripts. Developed in java and javascript, this tool uses simple javascript to execute events on the browser.

Visit the above link for more info.
If you know of any other such tools, please leave a comment here.

Enjoy!

ps: Comments and/or links to this article are most welcome!