Jumly
Rendering engine for UML diagrams in JavaScript
ICanHaz.js
A clean solution for templating with Mustache.js and jQuery or Zepto
Frame Player
A video player without video files, just JSON. Based on 'images frames' thought to mobile devices!
Teddy
An easy-to-read, HTML-based, mostly logic-less DOM templating engine with support for both server-side and client-side templating.
Jhere
jHERE - Maps made easy
Media Check
Control JS with mediaqueries
Terrificjs
Terrific JavaScript Framework
Roughdraft.js
Quickly create an interactive HTML mock-up by auto sourcing lorem ipsum/images generators, with minimal html markup, and no server side code
J Schema
A simple, easy to use data modeling framework for JavaScript
Google Closure Library
git-svn mirror of Google's Closure Library.
Voix
A JavaScript library to add voice commands to your sites, apps or games. [WIP]
Args.js
Create javascript functions with optional, default, grouped and named parameters.
Three.proton
three.proton is a magical 3d particle engine using three.js library. It is based on the Proton engine library.
Zenscroll
A JavaScript module to smooth-scroll web pages and other scrollable elements
Tmlib.js
JavaScript をより使いやすく, より便利に, そしてより豊かに.
Pretty Checkable
A jQuery plugin to replace checkboxes and radios for custom images
Frontless
Build universal JS applications with Riot.JS