Firebug Lite : A JavaScript file you can insert into your pages to simulate the Firebug console in browsers that are not named Firefox.
TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
Backbone.js : Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerabl...
Xinha : Xinha is a powerful WYSIWYG HTML editor component that works in all current browsers. Its configurabilty and extensibility make it easy to build just ...
Tracery : A story-grammar generation library for javascript. Write grammar objects, get generative stories.