TodoMVC : A project which offers the same Todo application implemented using MV concepts in most of the popular JavaScript MV frameworks of today.
Web Forms : Web Forms 2.0 Cross-Browser Implementation
RequireJS : RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino ...
Moment.js : A javascript date library for parsing, validating, manipulating, and formatting dates.
meSpeak.js : meSpeak.js (modulary enhanced speak.js) is a 100% client-side JavaScript text-to-speech library
A Modern, Lightweight Open-Source JavaScript Library for Interactive Maps