jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
stream.js : stream.js is a tiny stand-alone Javascript library that unlocks a new data structure for you: streams.
howler.js : howler.js is an audio library for the modern web. It defaults to Web Audio API and falls back to HTML5 Audio. This makes working with audio in JavaScr...
The Dojo Toolkit : Dojo saves you time and scales with your development process, using web standards as its platform. It’s the toolkit experienced developers turn to for...
Timeline : Beautifully crafted timelines that are easy, and intuitive to use.
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.