| matter.js | Matter.js is a JavaScript 2D rigid body physics engine for the web | https://github.com/liabru/matter-js |
| p2.js | 2D rigid body physics engine written in JavaScript. Includes collision detection, contacts, friction, restitution, motors, springs, advanced constraints and various shape types. | https://github.com/schteppe/p2.js |
| Popmotion | - | https://github.com/Popmotion/popmotion |
| Root | An open-source data analysis framework used by high energy physics and others. | https://root.cern |
| whs.js | whs is currently at v2 major version. We had plans for v3 yet but development isn't active. So v2 will probably remain the main stable version until further notice. | https://github.com/WhitestormJS/whs.js |