An open-source Javascript library for creating rich internet applications. Rico provides full Ajax support, drag and drop management and cinematic effects library.
Script.aculo.us provides you with easy-to-use, compatible and, ultimately, totally cool JavaScript libraries to
make your web sites and web applications fly, Web 2.0 style.
Sajax is an open source tool to make programming websites using the Ajax framework � also known as XMLHTTPRequest or remote scripting � as easy as possible.