newton-physics / newton

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

projectchrono / chrono

High-performance C++ library for multiphysics and multibody dynamics simulations

DNiev / ecu-lab

ECU Lab — an engine management and tuning simulator created by CaribouTuning. Design an engine, edit the calibration tables a real tuner edits, run a dyno pull, and read a log explaining what went right or wrong. Repo and tooling by Turtle.GTI.

robocasa / robocasa

RoboCasa: Large-Scale Simulation of Everyday Tasks for Generalist Robots

RigsOfRods / rigs-of-rods

Main development repository for Rigs of Rods soft-body physics simulator

jrouwe / JoltPhysics

A multi core friendly rigid body physics and collision detection library. Written in C++. Suitable for games and VR applications. Used by Horizon Forbidden West and Death Stranding 2.

MirroS-Lab / Code-as-World

Code as World: Agentic Discovery of Executable World Representations for Physical Reasoning

bepu / bepuphysics2

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

NVIDIAGameWorks / kaolin

A PyTorch Library for Accelerating 3D Deep Learning Research

markaren / threepp

A cross-platform C++20 3D library with Python bindings and the high-level API of three.js.

brucefan1983 / GPUMD

Graphics Processing Units Molecular Dynamics

apistol78 / traktor

Traktor Game Engine

122-syf-wcy / PhysicsOS

PhysicsOS 是一个面向初高中物理学习的公益可视化智能体，通过 AI 理解题目并结合物理引擎，将抽象物理过程转化为可交互、可观察、可计算、可验证的真实物理场景。

Vottivott / microduck-playground

Reproducible Microduck RL experiments, policies, simulation assets, and hardware add-ons

google-deepmind / dm_control

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

google / brax

Massively parallel rigidbody physics simulation on accelerator hardware.

Unity-Technologies / Unity-Robotics-Hub

Central repository for tools, tutorials, resources, and documentation for robotics simulation in Unity.

simbody / simbody

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

fegennari / 3DWorld

3D Procedural Game Engine Using OpenGL

viblo / pymunk

Pymunk is a easy-to-use pythonic 2d physics library that can be used whenever you need 2d rigid body physics from Python

appsinacup / godot-rapier-physics

Godot Rapier Physics – 2D and 3D physics engine for the Godot game engine. with better stability, performance, liquids, determinism, state serialization and no ghost collisions.

Geant4 / geant4

Geant4 toolkit for the simulation of the passage of particles through matter - NIM A 506 (2003) 250-303

ComputationalRadiationPhysics / picongpu

Performance-Portable Particle-in-Cell Simulations for the Exascale Era :sparkles:

netket / netket

Machine learning algorithms for many-body quantum systems

composo-ai / DishwasherBench

A dishwasher-loading game on a physical simulation of one real machine, built to benchmark language models and playable in a browser. The game inside is called Spotless.

Unity-Technologies / PhysicsExamples2D

Examples of various Unity 2D Physics components and features.

elodin-sys / elodin

Elodin simulation and flight software monorepo.

narayanpatidar1819 / quake-movement-two

Quakem 2026: Open-Source Seismic Movement Simulator for Developers

Miguel249 / Box3D.NET

An idiomatic C# binding for Box3D, Erin Catto's 3D physics engine. No managed allocations on the simulation hot path, NativeAOT- and trimming-ready, with native binaries for Windows, Linux and macOS on x64 and arm64.

zenineasa / Konjugate

A graph-native simulation engine for building composable engineering simulations and digital twins.

hammerill / libfpv

Turn any game into an FPV sim.

NVlabs / ProtoMotions

ProtoMotions is a GPU-accelerated simulation and learning framework for training physically simulated digital humans and humanoid robots.