Sammy.js : Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.
Flocking : Flocking is a JavaScript audio synthesis framework designed for artists and musicians who are building creative and experimental Web-based sound proje...
Ember.js : A JavaScript framework for creating ambitious web applications
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...