jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
JSDB.io : JSDB is a collection of the best javascript libraries
ActiveJS : ActiveJS is a JavaScript application framework that provides local and REST based data modeling and pure DOM view construction with back button and hi...
Ember.js : A JavaScript framework for creating ambitious web applications
JavaScript Templates : For web application developers, the '''JavaScript Templates''' engine from TrimPath is a lightweight APL / GPL open-source component that lets you hav...
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.