YAML - A CSS Framework

YAML is a CSS framework for creating modern and flexible floated layouts.

RUN - JS Animation Framework

Run(Universal animation framework) is the easy and basic way to animate web content!

Echo2 - RIA Framework

A platform for developing web-based apps that approach the capabilities of rich clients.

AJS - Javascript Library

Ultra lightweight JS library inspired by MochiKit, but differs by being small.

Javeline

PlatForm introduces you to writing Rich Internet Applications(RIA) using Ajax.

Ajax Tutorials for ASP.NET with Gaia

Relevant tutorials on ASP.NET 2.0 with the use of the Gaia Framework.

Activescaffold - A Ruby on Rails plugin

ActiveScaffold provides you with a wealth of dynamically created goodness.

UIZE Javascript API

A suite of code libraries to help you create more effective user interfaces.

Sprout Core - Application Framework

It is designed for creating full applications that run inside the browser.

Fleegix.js

A lightweight, cross-browser set of js tools for building dynamic Web-app UIs.