Physics Simulation GitHub Repositories (2026) · Open Source Tools

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

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

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

A C++ library for simulating Rocket League games at maximum efficiency

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.

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

Massively parallel rigidbody physics simulation on accelerator hardware.

S + Autograd + XLA :: S-parameter based frequency domain circuit simulations and optimizations using JAX.

Elodin simulation and flight software monorepo.

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

3D Procedural Game Engine Using OpenGL

A UI for building OpenSim models

JoltPhysics C# bindings

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

Gate 10

Valkyrien Skies 2

Python package for computation of magnetic fields of magnets, currents and moments.

A set of reusable functions to integrate IPC into an existing simulation.

An end-to-end, GPU-accelerated, and modular platform for building generalized Embodied Intelligence.

A Full-Stack Robotics Development Environment