jquip : Smaller, Lighter, Faster, more modular jQuery - include only the parts you want! Don't use it, Don't include it.
dancer.js : dancer.js is a high-level audio API, usable with both Mozilla's Audio Data API and Webkit's Web Audio API with flash fallback, designed to make sweet ...
Frappe Charts : GitHub-inspired simple and modern charts for the web with zero dependencies.
jsmad : jsmad is a pure javascript MP3 decoder, based on libmad, with an ID3 decoder written from scratch.
Workbox : JavaScript Libraries for adding offline support to web apps.
Sammy is a tiny javascript framework built on top of jQuery, It's RESTful Evented Javascript.