Rellax
Lightweight, vanilla javascript parallax library
Ladda
Buttons with built-in loading indicators.
GLSL.js
A light Javascript & GLSL library for vizualisation and game purposes (2D or 3D).
Black
World's fastest HTML5 2D game engine 🛸
T.js
A tiny javascript templating framework in ~400 bytes gzipped
Simptip
A simple CSS tooltip made with Sass
Serenade.js
Client side MVC framework
Restive.js
The Easiest Way to Make your Website Responsive or Adaptive!
Pretty Checkable
A jQuery plugin to replace checkboxes and radios for custom images
Nerdamer
a symbolic math expression evaluator for javascript
Mootools Core
MooTools Core Repository
Mixitup
A CSS3 and jQuery Filter & Sort Plugin
Isometric
JSIso - An HTML5 Canvas Tile Engine
Hide Seek
A simple, mobile-friendly, yet customizable quick/live search jQuery plugin.
Featherlight
Featherlight is a very lightweight jQuery lightbox plugin. It's simple yet flexible and easy to use. Featherlight has minimal css and uses no inline styles, everything is name-spaced, it's completely customizable via config object and offers image, ajax and iframe support out of the box. Featherlights small footprint weights about 4kB – in total.
Draggable.js
Make your DOM elements draggable easily
Baguette Box.js
Simple and easy to use lightbox script written in pure JavaScript