Physics Engine Python Packages

pymunk

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

jaxsim

A differentiable physics engine and multibody dynamics library for control and robot learning.

ai2thor

An open-source platform for Visual AI.

culverin

Physics engine bridge for Python built upon Jolt Physics

dartpy

DART: Dynamic Animation and Robotics Toolkit

pantometry

Physics for simulated worlds in Rust: a kernel that knows no domain and thirteen that do — heat, mechanics, optics, acoustics, electromagnetism, elasticity, fluids, porous media, molecular dynamics, electrical, quantum, pharmacokinetics, protein folds — plus scene and view layers that know none. Dimensions in the types, conservation audited.

dualis

Physics for simulated worlds in Rust: a kernel that knows no domain and thirteen that do — heat, mechanics, optics, acoustics, electromagnetism, elasticity, fluids, porous media, molecular dynamics, electrical, quantum, pharmacokinetics, protein folds — plus scene and view layers that know none. Dimensions in the types, conservation audited.

kinetix-env

Reinforcement learning on general 2D physics environments in JAX. ICLR 2025 Oral.

oxiphysics

Unified physics engine written in Rust, aiming to replace Bullet, OpenFOAM, LAMMPS, and CalculiX.

jax2d

Highly scalable 2D JAX physics engine.

fluxrender

A high-performance physics engine for computational fluid dynamics (CFD), real-time smoke advection, and massive particle simulations in Python.

otwin

Otwin is an open-source physics engine for Engineering sytems

otwin-engine

Otwin is an open-source physics engine for Engineering sytems

pydraw-turtle

An extension of python's Turtle. (work in progress 🛠️)

feynman-engine

Feynman diagram generation and cross section calculations

feynmangraph

Web frontend for building and exporting Feynman diagrams.

py3ode

Port of PyODE for Python 3

numeria

A zero-dependency Rust library for physics, mathematics and engineering computation — 6,365 public functions across 71 modules, 4,193 unit and 577 property tests at 97.9% line coverage, with 20 Kani proof harnesses.

taichigame

GPU Accelerated Motion Engine based on Taichi Lang.

fast-poisson-solver

The Poisson equation is an integral part of many physical phenomena, yet its computation is often time-consuming. This module presents an efficient method using physics-informed neural networks (PINNs) to rapidly solve arbitrary 2D Poisson problems.

hybridroots

This repository contains the official implementation, experiments, and results for the paper "Four New Multi-Phase Hybrid Bracketing Algorithms for Numerical Root Finding", published in the Journal of the Egyptian Mathematical Society (JOEM) via Springer.

pydebflow

PyDebFlow is an open-source geospatial tool designed for the comprehensive simulation of gravitational mass flows. By integrating physics-based friction models with advanced topography processing, allows researchers and engineers to accurately predict the runout, velocity, and deposition heights of debris flows and landslides for hazard assessment.

billiards

A 2D physics engine for simulating dynamical billiards.

projectchrono

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