Spine
Lightweight MVC library for building JavaScript applications
Q
A tool for making and composing asynchronous promises in JavaScript
Alchemy
Alchemy.js is a graph drawing application built in d3.
Zest
An absurdly fast CSS selector engine.
Victor
A JavaScript 2D vector class with methods for common vector operations
Velocity
Accelerated JavaScript animation.
Script.js
Asyncronous JavaScript loader and dependency manager
React95
🌈🕹 Refreshed Windows 95 style UI components for your React app
Playground
Playground.js is a framework for your javascript based games. It gives you out-of-box access to essentials like mouse, keyboard, sound and well designed architecture that you can expand to your needs.
LABjs
Loading And Blocking JavaScript: On-demand parallel loader for JavaScript with execution order dependencies
Javascript State Machine
A finite state machine javascript micro framework
Interact.js
Drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers (and also IE8+)
Glslify
A node.js-style module system for GLSL!
Gamejs
GameJs is a thin library on top of the HTML canvas element. In addition to the drawing functions it has a set of generally helpful modules for game development.
Frozen
Frozen is an open-source HTML5 game engine delivering ease-of-use, rapid development through tooling and modularity.
Conditioner
Frizz Free, Environment-aware, JavaScript Modules
Clndr
a jQuery calendar plugin that uses HTML templates