One open-source modeler for structures, heat and fluids, built from scratch in pure Rust: parametric part in, verified results out. Automatic all-hex and tet meshing, our own nonlinear implicit and explicit FEA, heat transfer and lattice Boltzmann CFD โ every result checked against theory. For engineers and AI agents alike. Free, forever.
Autodesk Cfd 2025: Complete standalone setup with all features unlocked and ready to run.
Application-specific Ethereum state client: sync (and archive) only the state your app needs, straight from P2P. BAL-driven, verified, local eth_call in ms.
Tonkeeper Fake Balance โ TON wallet balance spoofing tool with real-time overlay for Tonkeeper mobile & desktop, custom TON & Jetton balance injection, transaction history forging, and screenshot-safe persistent display
Run reduced-order battery, thermal, converter and BESS control models with transparent equations and repeatable testing.
Exodus Fake Balance - wallet UI simulation tool for BTC, ETH, SOL, XRP, and 200+ assets. Customize displayed balances in a controlled demo environment with persistent visual settings and screenshot-ready previews. Designed for testing, demonstrations, and UI prototyping without altering actual blockchain balances or transactions.
้ฒๆฑกๆถๆ้ ๆนๆจกๆๅจ ยท Antifouling coating formulation simulator (Android + iOS + Electron). Simulation โ measurement. Track A/C example data in public repo.
simulation-ready chemistry lab instruments: part-level geometry, joints, executable behaviour models and machine-readable contracts
The official repository for the Weather Research and Forecasting (WRF) model
Fire Dynamics Simulator
Main repository for the NLR-supported OpenFAST whole-turbine and FAST.Farm wind farm simulation codes.
A Simple and Universal Swarm Intelligence Engine, Predicting Anything. ็ฎๆด้็จ็็พคไฝๆบ่ฝๅผๆ๏ผ้ขๆตไธ็ฉ
Simulation platform for general-purpose robotics & embodied AI learning.
The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement learning and imitation learning.
An open source re-implementation of RollerCoaster Tycoon 2 ๐ข
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.
Adversary Emulation Framework
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.
The quip network mining stack. This includes a coordinator and links all of the official quip network miners.
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
Testing TLS/SSL encryption anywhere on any port
A beautiful, private, local-first personal finance tracker. Investments, net worth, spending, and simulations.
OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe
A Python framework for GPU-accelerated simulation, robotics, and machine learning.
Tower defense game that teaches cloud architecture. Build infrastructure, survive traffic, learn scaling.
An open-source, GPU-accelerated physics simulation engine built upon NVIDIA Warp, specifically targeting roboticists and simulation researchers.
Litmus helps SREs and developers practice chaos engineering in a Cloud-native way. Chaos experiments are published at the ChaosHub (https://hub.litmuschaos.io). Community notes is at https://hackmd.io/a4Zu_sH4TZGeih-xCimi3Q
ALIEN is a CUDA-powered artificial life simulation program.
Written in C++ and using SDL, The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox, it simulates air pressure and velocity as well as heat.
Imaging, analysis, and simulation software for radio interferometry
The fastest and most memory efficient lattice Boltzmann CFD software, running on all GPUs and CPUs via OpenCL. Free for non-commercial use.
๐๏ธ OASIS: Open Agent Social Interaction Simulations with One Million Agents.
A PyTorch Library for Accelerating 3D Deep Learning Research
Python framework for creating, editing, and running Noisy Intermediate-Scale Quantum (NISQ) circuits.
Open-Source Agent Observability & Evals for AI Platform teams. Trace, test, route and govern every agent & coding assistant in the company.
Webots Robot Simulator
Google DeepMind's software stack for physics-based simulation and Reinforcement Learning environments, using MuJoCo.
A contact solver for physics-based simulations involving ๐ shells, ๐ชต solids, ๐ชข rods, ๐งฑ rigid bodies and โณ sand.
A 15TB Collection of Physics Simulation Datasets
Eclipse SUMO is an open source, highly portable, microscopic and continuous traffic simulation package designed to handle large networks. It allows for intermodal simulation including pedestrians and comes with a large set of tools for scenario creation.
Mesa is an open-source Python library for agent-based modeling, ideal for simulating complex systems and exploring emergent behaviors.
The main repository for the development of the evolution game Thrive.
Agent Skills for NVIDIA products โ install into Claude Code, Codex, and other coding agents to run Physical AI, robotics, simulation, CUDA, and RAG workflows end to end.
Robotics Toolbox for Python
Emulate Arduino, ESP32 & Raspberry Pi. in your browser. Write code, compile, and run on 19 real boards โ Arduino Uno, ESP32, ESP32-C3, Raspberry Pi Pico, Raspberry Pi 3, and more. No hardware, no cloud, no limits.. Discord: https://discord.gg/3mARjJrh4E
Synthetic Patient Population Simulator
Python Toolkit for Causal and Probabilistic Reasoning
ECS-driven 2D and 3D physics engine for the Bevy game engine.
Massively parallel rigidbody physics simulation on accelerator hardware.
Isaac Lab API, powered by MuJoCo-Warp, for RL and robotics research
A game engine with a fully bindless, GPU-driven renderer featuring real-time path-traced global illumination, hardware ray tracing, and a physics simulation running at 200Hz, built over 12+ years of R&D
Model-rocketry aerodynamics and trajectory simulation software
MacOS application to spoof / fake / mock your iOS / iPadOS or iPhoneSimulator device location. WatchOS and TvOS are partially supported.
Public development project of the LAMMPS MD software package
High-performance C++ library for multiphysics and multibody dynamics simulations
:sunglasses: A curated list of robotics libraries and software
Repository for the main Dockerfile with the OpenWorm software stack and project-wide issues
Renode - Antmicro's open source simulation and virtual development framework for complex embedded systems
Pure C# 3D real time physics simulation library, now with a higher version number.
The official repository for the gem5 computer-system architecture simulator.