A 3D physics engine for games. [zlib] website

A 2D physics engine for games. [BSD-like]

A multi core friendly rigid body physics and collision detection library. [MIT]

A 2D physics engine for games. [BSD-like]

An open-source realtime physics engine middleware SDK developed by Nvidia as a part of Nvidia GameWorks software suite. [BSD-3-Clause]

High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton. [Apache2]

An open source multi-physics simulation engine. [BSD-3-Clause] website

A fast and lightweight 2D game physics library. [MIT] website

framework for building parallel, multi-disciplinary simulation software, aiming at modularity, extensibility, and high performance. [BSD] website

An integrated solution for real time simulation of physics environments. [zlib]

SOFA is an open-source framework targeting at real-time simulation, with an emphasis on medical simulation. [LGPL] website

A modern C++11 quantum computing library. [MIT]

openFrameworks wrapper for Box2D. [BSD-like]

A 2D Soft Body and Rigid Body Physics Engine. [MIT]

An interactive physics engine & library. [Zlib]

Open Dynamics Engine - An open source, high performance library for simulating rigid body dynamics. [BSD&LGPL]