Physics GitHub Repositories (2026) · Open Source Tools

Open-source deep-learning framework for building, training, and fine-tuning deep learning models using state-of-the-art Physics-ML methods

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

Multi-Joint dynamics with Contact. A general purpose physics simulator.

The General Mission Analysis Tool (GMAT) is the world's leading enterprise, multi-mission, open source software system for space mission design, optimization, and navigation. The system supports missions in flight regimes ranging from low Earth orbit to lunar, libration point, and deep space missions. NOTE: Non-release tagged commits are AS IS.

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.

Open source robotics simulator. The latest version of Gazebo.

Building a Neural Network-Native Engine (3N). Python authoring, C++ runtime, Vulkan/WebGPU. Windows, Linux, Android and Web.

Wolfram Language / Mathematica reimplementation in Rust (Wolfram oxidized)

Multi-modal constructive solid geometry kernel in Rust

JoltPhysics C# bindings

A contact solver for physics-based simulations involving 👚 shells, 🪵 solids, 🪢 rods, 🧱 rigid bodies and ⏳ sand.

LayaAir is a fully platform rendering engine with rich 2D/3D rendering capabilities and a mature integrated development platform

Open source C++ 3D game engine

A project to digitalise results from physics into Lean.

Valkyrien Skies 2

3D FPS game engine with full dynamic lighting and shadows

Modular data acquisition framework

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

Foam-Agent: A large language model-based multi-agent framework for automating computational fluid dynamics workflows. Published in Computer Methods in Applied Mechanics and Engineering (CMAME).

billiards physics in the browser