Aloha Editor : Aloha Editor is an open source WYSIWYG editor that can be used in webpages. Aloha Editor aims to be easy to use and fast in editing, and allows advanc...
EnhanceJS : EnhanceJS is a new Javascript framework designed to improve the application of Progressive Enhancement by first testing browser capabilities for key J...
Rickshaw : Rickshaw is a JavaScript toolkit for creating interactive time series graphs.
rsvp.js : A lightweight library that provides tools for organizing asynchronous code
Parsley.js : Javascript forms validation.
Powerful, UX aware & Dead simple.
Rainbow is a code syntax highlighting library written in Javascript.
It was designed to be lightweight (1.4kb), easy to use, and extendable.
It is completely themable via CSS.