simulation

The official repository for the Weather Research and Forecasting (WRF) model

Python package for compiling and analyzing quantum algorithms to simulate electronic structures.

Shadow is a discrete-event network simulator that directly executes real application code, enabling you to simulate distributed systems with thousands of network-connected processes in realistic and scalable private network experiments using your laptop, desktop, or server running Linux.

Simulation of spiking neural networks (SNNs) using PyTorch.

High-performance automatic differentiation of LLVM and MLIR.

BEHAVIOR-1K: a platform for accelerating Embodied AI research. Join our Discord for support: https://discord.gg/bccR5vGFEx

Fast and flexible physics-based battery models in Python

🚀 The open-source, multi-tenant platform for self-building knowledge graphs and simulation

3D City Builder without a grid

Fake Protocol Server

NativeLink is a Nix-powered, open source, high-performance build cache and remote execution server, compatible with Bazel, Soong, Pants, Buck2, Reclient, and other RE-compatible build systems. It offers drastically faster builds, reduced test flakiness, and support for specialized hardware.

An Open Source package that allows video game creators, AI researchers and hobbyists the opportunity to learn complex behaviors for their Non Player Characters or agents

Unknown Horizons official code repository

A GPU-accelerated computing library for running physics simulations and other GPGPU computations in a web browser.

A curated list of awesome links and software libraries that are useful for robots.

Open source robotics simulator. The latest version of Gazebo.

Fast and embedded solvers for nonlinear optimal control and nonlinear model predictive control

A curated list of Python packages related to chemistry

Dexbotic: Open-Source Vision-Language-Action Toolbox

ZEn NOde system - a simulation & rendering engine in nodes

Qucs-S is a circuit simulation program with Qt-based GUI

Learn Kubernetes by playing. Deploy pods, fix CrashLoopBackOff, type real kubectl commands: 3D browser game, no install needed.

Aircraft design optimization made fast through computational graph transformations (e.g., automatic differentiation). Composable analysis tools for aerodynamics, propulsion, structures, trajectory design, and much more.

Gazebo database of SDF models. This is a predecessor to https://app.gazebosim.org

A terminal application that simulates installing things but doesn't actually install anything

OpenClaw / QClaw plugin that visualizes AI agents as 3D NPCs in a game town — with social simulation, a map editor, and a character workshop.

GPU-accelerated force graph layout and rendering

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

AgentSociety 2 is a modern, LLM-native agent simulation platform designed for social science research and experimental design. It provides a flexible framework for creating and managing intelligent agents in simulated environments.

AlpaSim is an open-source autonomous vehicle simulation platform designed for development and testing of end-to-end AV policies