Pretty Checkable
A jQuery plugin to replace checkboxes and radios for custom images
Parsimmon
A monadic LL(infinity) parser combinator library for javascript
Officegen
Standalone Office Open XML files (Microsoft Office 2007 and later) generator for Word (docx), PowerPoint (pptx) and Excell (xlsx) in javascript. The output is a stream.
Moovie.js
Movie focused HTML5 Player
Medium Editor Insert Plugin
jQuery insert plugin for MediumEditor (Medium.com WYSIWYG editor clone)
Maria
The MVC framework for JavaScript applications. The real MVC. The Smalltalk MVC. The Gang of Four MVC.
Iframe Resizer
Keep same and cross domain iFrames sized to their content with support for window/content resizing, nesting and multiple iFrames. (Dependency free, IE8+)
Highway
A fast, lightweight and simple Javascript routing library with no dependencies.
Countable
Countable is a JavaScript function to add live paragraph-, word- and character-counting to an HTML element.
Componentjs
ComponentJS -- Powerful run-time Component System for structuring HTML5-based Rich Clients
Breeze
Breeze.js is a JavaScript library for managing data in data rich-client HTML/JS applications.
Augment.js
Modern JavaScript in your IE
Apricot
A simple Hpricot Clone for nodejs.
Aos
Animate on scroll library
Jquery Indexeddb
An IndexedDB Plugin for Jquery.
Svgeezy
Allows for automatic Image fallbacks for browsers that can't handle SVGs
Isometric
JSIso - An HTML5 Canvas Tile Engine