xui.js : A super micro tiny DOM library for authoring HTML5 mobile web applications.
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...
TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
Moment.js : A javascript date library for parsing, validating, manipulating, and formatting dates.
A project which offers the same Todo application implemented using MV concepts in most of the popular JavaScript MV frameworks of today.