*[Newton Dynamics](https://github.com/MADEAPPS/newton-dynamics) - An integrated solution for real time simulation of physics environments. [zlib]
*[ODE](http://www.ode.org/) - Open Dynamics Engine - An open source, high performance library for simulating rigid body dynamics. [BSD&LGPL]
*[ofxBox2d](https://github.com/vanderlin/ofxBox2d) - openFrameworks wrapper for Box2D. [BSD-like]
*[PhysX](https://github.com/NVIDIAGameWorks/PhysX-3.4) - An open-source realtime physics engine middleware SDK developed by Nvidia as a part of Nvidia GameWorks software suite. [BSD-3-Clause]
*[Project Chrono](https://github.com/projectchrono/chrono) - An open source multi-physics simulation engine. [BSD-3-Clause] [website](https://projectchrono.org/)
*[Simbody](https://github.com/simbody/simbody) - High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton. [Apache2]