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

ai2thor

An open-source platform for Visual AI.

culverin

Physics engine bridge for Python built upon Jolt Physics

dartpy

Research-focused C++23 physics engine for robotics, animation, and machine learning, with Python bindings

jaxsim

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

oxiphysics

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

billiards

A 2D physics engine for simulating dynamical billiards.

pydraw-turtle

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

kinetix-env

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

feynman-engine

Feynman diagram generation and cross section calculations

jax2d

Highly scalable 2D JAX physics engine.

feynmangraph

Web frontend for building and exporting Feynman diagrams.

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.

py3ode

Port of PyODE for Python 3

taichigame

GPU Accelerated Motion Engine based on Taichi Lang

hybridroots

Four novel multi-phase hybrid bracketing algorithms for numerical root finding: Opt.BF (mpbf), Opt.BFMS (mpbfms), Opt.TF (mptf), Opt.TFMS (mptfms). Combines classical methods with modified secant for superior convergence (e.g., mptfms averages 2.3 iterations). Reference DOI: 10.21608/joems.2026.440115.1078

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.

sketchable

An (easy) graphical library.

physipy-python

Python Library to calculate all types of Physics Formulae, both for calculations and research