jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
jQuery Masonry : A dynamic layout plugin for jQuery
The flip-side of CSS floats
Polly.JS : Polly.JS is a standalone, framework-agnostic JavaScript library that enables recording, replaying, and stubbing HTTP interactions.
Polly taps into nat...
Vanilla List : The Vanilla Javascript Repository. A searchable repository of dependency-free JavaScript libraries. Over 100 projects and growing.
Ember.js : A JavaScript framework for creating ambitious web applications
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.