1.bulletphysics / bullet3Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.simulationroboticskinematicsvirtual-realityreinforcement-learningcomputer-animation+3 moreC++Other license15K total3.1K forks+82 starsfrom 14,758 · score 4.42