Top PHYSICS GitHub Repositories & Tools (2026)

Webots Robot Simulator

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

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

Wolfram Language / Mathematica reimplementation in Rust (Wolfram oxidized)

Elodin simulation and flight software monorepo.

Fast, simple, and dependency-free physics engine written in C# with a clear and user-friendly API.

:gem: Feel++: Finite Element Embedded Language and Library in C++

LargeScale Multiphysics Scientific Simulation Environment-OneFLOW CFD

Multi-modal constructive solid geometry kernel in Rust

Smith is a high order nonlinear thermomechanical simulation code

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

Multiphysics Object Oriented Simulation Environment

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

a rust-native Modelica compiler for fast, composable, scientific computing

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.

Collaborative Multiphysics Cosimulator For Space Missions 🌎🚀🌚

Physics-guided augmentation and multi-scale Transformer learning for low-resource spectroscopy; CNMM-MSST XRF implementation optimized based on the JAAS paper.

Astronomy and astrophysics core library