An npm listing of Uli Hecht's port of Box2DFlash which is the flash port of Erin Catto's box2d library.
var Box2D =
npm install box2dweb
Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
JS port by Uli Hecht.
NPM listing maintained by Mikola Lysenko.