Box2D
Game engine
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Box2D is a free open source 2-dimensional physics simulator engine written in C++ by Erin Catto and published under the MIT license. Wikipedia
Programming language: C++
Initial release: September 11, 2007
License: MIT (since version 2.4.0); zlib License
Stable release: 2.4.1 / October 18, 2020; 3 years ago