Ajax (Asynchronous JavaScript and XML) has given us increased user interface responsiveness and rich interaction used in faster and more user friendly web applications.
There are an increasing number of JavaScript Frameworks to choose between. Prototype, jQuery, MooTools, Dojo, YUI, and Script.aculo.us are some of the more popular ones.
Below is a comparison of some the features offered by some of these frameworks, courtesy of Danny Douglas

There is a more detailed comparison of more frameworks in Wikipedia.
Below is a speed comparison by Peter Velichkov of some of the more popular JavaScript Frameworks running on some of the major browsers on different OS.
Here are a couple of Ajax resources.
W3C’s Ajax Tutorials is a great place to start.
Ajax Daddy is a collection of Ajax demos where you can see and test various web effects, and download the scripts behind them.
Ajax Rain is a library of 1000+ Ajax scripts.
Best Ajax Scripts offers several hundred categorized Ajax scripts.
Find more on the tool page!

A Really nice find.
Comment by al — Nov 07 @ 12:00 am