Raphaël : Raphaël is a small JavaScript library that should simplify your work with vector graphics on the web. If you want to create your own specific chart or...
Logerr : Experimenting with window.onerror, trying to make JavaScript debugging easy.
What does it do?
Provides JavaScript error details in a readable format. ...
impress.js : It's a presentation framework based on the power of CSS3 transforms and transitions in modern browsers and inspired by the idea behind prezi.com
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.