React : A JavaScript library for building user interfaces
Microjs : Fantastic Micro-Frameworks and Micro-Libraries for Fun and Profit!
Draggable : Draggable is a modular drag & drop library, allowing you to start small and build up with the features you need. At its most basic, Draggable gives yo...
Parsley.js : Javascript forms validation.
Powerful, UX aware & Dead simple.
Protovis : Protovis composes custom views of data with simple marks such as bars and dots. Unlike low-level graphics libraries that quickly become tedious for vi...
A super micro tiny DOM library for authoring HTML5 mobile web applications.