three.js devtools

WebGL terrain with seamlessly changing level of detail

JavaScript Computer Vision library.

An audio effects library for the Web Audio API.

Javascript library for headtracking via webcam and WebRTC/getUserMedia

Crossbrowser & lightweight way to check if user is looking at the page or interacting with it.

BitView does per-bit access to ArrayBuffers (like DataView for bits)

CSS 3D Clouds

Google Street View Panorama Util

Utilities for working with WebGL textures

Physics plugin for Three.js

ECMAScript code generator

javascript spectrum for HTML5 audio

A compiler for the Mustache templating language

JavaScript library for all kinds of color manipulations

ECMAScript parsing infrastructure for multipurpose analysis

Simple to use, blazing fast and thoroughly tested WebSocket client and server for Node.js

Javascript Matrix and Vector library for High Performance WebGL apps

Design Patterns applied to Javascript code.

Make APIs suck less

A tiny stand-alone Javascript library for streams

Weighted Voronoi Stippler

console.* API for WebWorker

Touché: bringing touch events to non-touch browsers (how touching!). No dependencies. No code bloat.

It's your favorite JavaScript library, only faster

JPEG/DCT data decoder

a lightweight 3d particle engine in javascript, compatible with THREE.js and TWEEN.js

framework-agnostic styled alert system for javascript