Mrdoob/three.js. GLGE WebGL Library/Framework. CopperLicht - JavaScript 3D Engine using WebGL. Open Source WebGL 3D engine with editor CopperLicht is a commercial grade WebGL library and JavaScript 3D engine for creating games and 3D applications in the webbrowser.
It uses the WebGL canvas supported by modern browsers and is able to render hardware accelerated 3d graphics without any plugins. Canvas 3d JS Library.