Bliss.js : Want to use Vanilla JS but find native APIs a bit unwieldy? Bliss is for you
TogetherJS : TogetherJS is a free, open source JavaScript library by Mozilla that adds collaboration features and tools to your website. By adding TogetherJS to yo...
Parsley.js : Javascript forms validation.
Powerful, UX aware & Dead simple.
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...
Wave.js : Audio visualizer library for javascript. Create dynamic animations that react to an audio file or audio stream.
Modest Maps is a small, extensible, and free library for designers and developers who want to use interactive maps in their own projects.