3 Dmol.js
WebGL accelerated JavaScript molecular graphics library
Twgl.js
A Tiny WebGL helper Library
Open Jscad.org
OpenSCAD + JavaScript = OpenJSCAD, edit locally or remote online, preview in browser direct via WebGL.
Hilo3d
Hilo3d, a WebGL Rendering Engine.
Curtainsjs
curtains.js is a lightweight vanilla WebGL javascript library that turns HTML elements into interactive textured planes.
Three.js
JavaScript 3D library.
Cannon.js
A lightweight 3D physics engine written in JavaScript.
Oimo.js
Lightweight 3d physics engine for javascript
Gl Matrix
Javascript Matrix and Vector library for High Performance WebGL apps
Osmbuildings
:city_sunrise: OSM Buildings
Lightgl.js
A lightweight WebGL library
Whitestorm.js
WhitestormJS physics + rendering of 3D
Glslify
A node.js-style module system for GLSL!
Math Box.js
MathBox is a (work in progress) library for making presentation-quality math diagrams in WebGL.
Glow
GLOW is a WebGL wrapper, which focuses on easy creation and use of shaders.
Claygl
A WebGL graphic library for building scalable Web3D applications
Webgl Workshop
The sequel to shader-school: Learn the WebGL API