Cappuccino is an open source framework that makes it easy to build desktop-caliber applications that run in a web browser. Build Desktop Class Applications in Objective-J and JavaScript
It lets you run JavaScript Lint from within TextMate, making it much quicker and easier to check your scripts for any problems. It’s sort of (but not quite) like validating your markup or CSS, and iIt gives you quick access to a variety of formatting and compression tools.
The Fluid 960 Grid System templates have been built upon the work of Nathan Smith and his 960 Grid System using effects from the Mootools JavaScript library