Intern : Intern is a complete test system for JavaScript designed to help you write and run consistent, high-quality test cases for your JavaScript libraries a...
Ember.js : A JavaScript framework for creating ambitious web applications
Push by Nickersoft : A compact, cross-browser solution for using the JavaScript Notifications API
jsfx : This is a javascript library (with frontend) for sound effect generation.
css3-mediaqueries-js : make CSS3 Media Queries work in all browsers (JavaScript library)
A simple library for handling keyboard shortcuts in Javascript.