Free Web Design Tools: Javascript Tools
dynamicdrive
A comprehensive DHTML site featuring DHTML scripts, tutorials, and more. The #1 place on the net to obtain free,
original DHTML & Javascripts to enhance your web site!
Mochikit
MochiKit is a highly documented and well tested suite of JavaScript libraries that will help you get things done, fast.
One of the first things you'll notice about MochiKit is that you're not left guessing about how to use it or what's in there.
Unlike the vast majority of JavaScript libraries, there is actual English text to describe how to use it.
moo.fx
moo.fx is an extremely small javascript effects library.
It's easy to use, fast, cross-browser and standards compliant. And, its extremely small footprint makes moo.fx a must-have
library for all of you wanting a blazing fast web2.0 style Website.
Its main purpose is to provide automated functions to modify height, width, and opacity of any HTML element object (all in
real time) displaying an effect with the transition type you choose.