Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

Google DeepMind's software stack for physics-based simulation and Reinforcement Learning environments, using MuJoCo.

An open-source, GPU-accelerated physics simulation engine built upon NVIDIA Warp, specifically targeting roboticists and simulation researchers.

MuJoCo is a physics engine for detailed, efficient rigid body simulations with contacts. mujoco-py allows using MuJoCo from Python 3.

Massively parallel rigidbody physics simulation on accelerator hardware.

A game engine with a fully bindless, GPU-driven renderer featuring real-time path-traced global illumination, hardware ray tracing, and a physics simulation running at 200Hz, built over 10+ years of R&D

Pure C# 3D real time physics simulation library, now with a higher version number.

A 15TB Collection of Physics Simulation Datasets

[RSS 2025] "ASAP: Aligning Simulation and Real-World Physics for Learning Agile Humanoid Whole-Body Skills"

A contact solver for physics-based simulations involving 👚 shells, 🪵 solids and 🪢 rods.

A GPU-accelerated computing library for running physics simulations and other GPGPU computations in a web browser.

A Processing/Java library for high performance GPU-Computing (GLSL). Fluid Simulation + SoftBody Dynamics + Optical Flow + Rendering + Image Processing + Particle Systems + Physics +...

Physics-Informed Neural Networks (PINN) Solvers of (Partial) Differential Equations for Scientific Machine Learning (SciML) accelerated simulation

Real-time multi-physics simulation with an emphasis on medical simulation.

✨🔬 A flexible diffraction simulator for exploring and visualizing physical optics.

Newton Dynamics is an integrated solution for real time simulation of physics environments.

A coupling library and ecosystem for partitioned multi-physics and multi-scale simulations, including surface and volume coupling.

Cross-platform deterministic physics simulation in Unity, using DOTS physics and soft floats

SPHinXsys provides C++ APIs for engineering simulation and optimization. It aims at complex systems driven by fluid, structure, multi-body dynamics and beyond. The multi-physics library is based on a unique and unified computational framework by which strong coupling has been achieved for all involved physics.

Arcade Car Physics - Vehicle Simulation for Unity3D

myPhysicsLab provides JavaScript classes to build real-time interactive animated physics simulations

FEATool Multiphysics - "Physics Simulation Made Easy" (Fully Integrated FEA, FEniCS, OpenFOAM, SU2 Solver GUI & Engineering CAE Simulation Platform)

Pure C# 3D real time physics simulation library. Repo contains only the 1.X.X versions.

Assistive Gym, a physics-based simulation framework for physical human-robot interaction and robotic assistance.

Physics simulation plugin of Manim that can generate scenes in various branches of Physics.

[ICCV 2025] PhysTwin: Physics-Informed Reconstruction and Simulation of Deformable Objects from Videos

Resources for Physics based simulation in Computer Graphics 图形学中物理模拟的资源整理

Implementations in Unity of the Ten Minute Physics YouTube channel. Instead of using Unity's built-in physics engine, you will learn how to make your own XPBD based physics engine. This is useful if you want to simulate ropes, cloth, tires, etc. You will also learn how to make fluid simulations and soft body physics.

physics engine for javascript, built for games, simulations, and creative websites

The object-oriented HPC platform for CFD, plasma and multi-physics simulations whose development started in 2002 at the Von Karman Institute for Fluid Dynamics is finally open!