- mujoco by google-deepmind, 18k stars. Physics simulator for robotics, biomechanics and reinforcement learning
- JoltPhysics by jrouwe, 12k stars. Multi-core rigid body physics and collision library in C++ for games and VR
- server-survival by pshenok, 6.5k stars. Tower defense game for learning cloud architecture and scaling
- ppf-contact-solver by st-tech, 4.6k stars. Contact solver for cloth, solid, rod, rigid body and sand physics simulation
- the_well by PolymathicAI, 4.6k stars. 15TB of physics simulation datasets for machine learning
- spektrafilm by andreavolpato, 2.3k stars. Spectral simulation of analog film photography processes in Python
- cultivation-world-simulator by 4thfever, 2.1k stars. Xianxia world simulator where AI agents drive characters through a living world
- SkyCraft by chasmlol, 1.3k stars. Skyrim mod bringing Minecraft physics, inventory and blocks via SKSE and Fabric
- desktop-fly by DenisSergeevitch, 1.1k stars. macOS desktop pet showing a fly driven by a spiking connectome simulation
- project_superdex by facebookresearch, 836 stars. Physics simulation platform for robotics authoring and reinforcement learning
- observer-patch-holography by FloatingPragma, 759 stars. Executable model linking local repair to quantum measurement, with Lean 4 proofs
- SimFoundry by NVlabs, 496 stars. Generates simulation scenes for training and testing robot policies
- Code-as-World by MirroS-Lab, 451 stars. Research code for agents that discover executable physics world models
- mighty by mit-acl, 435 stars. Real-time trajectory planner for UAVs and ground robots, built on ROS 2
- webphysics by jure, 428 stars. Browser physics engine on WebGPU, built on the AVBD constraint solver
- natural-disasters by Token-Gremlin, 304 stars. Browser-based procedural ocean and weather simulation running on the GPU
- cbirds by clainstone, 303 stars. Boids flocking simulation drawn in braille or Kitty sprites, C99 with no deps
- embodied-first-exam by mll-lab-nu, 276 stars. Benchmark where code agents solve robot tasks with programs run in a sandbox
- Looking-Ahead by TencentARC, 275 stars. Research code for autoregressive video generation with physics plausibility
- robokit by openrobokit, 239 stars. Toolkit for robot kinematics, motion planning, control and simulation
- spaceprojectsim by Kalcode, 198 stars. Space project simulation written in Rust
- Frontier by NetX-lab, 180 stars. Discrete-event simulator for estimating performance of LLM serving systems
- PteroSim-UAV-Simulator by PteroLabsAI, 144 stars. UAV simulator for testing drone software with ArduPilot and PX4
- DishwasherBench by composo-ai, 74 stars. Browser game on a physical dishwasher simulation used to benchmark language models
- BootLife by 0xAX, 65 stars. Game of Life running from a 512-byte x86 boot sector using VGA memory
- Molecules by JohannHotzel, 58 stars. Real-time GPU particle physics in Unity with soft bodies and collisions
- UniPhysGen by breezexian, 57 stars. Research code that makes generated 3D assets ready for physics simulation
- jiggle-physics by xloveee, 43 stars. Reference spec for jiggle physics using weighted regions and damped spring bones
- Fly.exe by Ibtisam-Mohammad, 26 stars. Simulates the full fly connectome driving a fly body in MuJoCo on a GPU
- world-model-simulators by AtongWang, 23 stars. Curated list of papers and resources on generative world models as simulators
- desktop-vibe-fly by kulikov0, 23 stars. Animated 3D fruit fly on the macOS desktop, simulated from a fly connectome
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