Open-source simulation software
1601 open-source libraries, tools and applications tagged simulation, ranked by how closely simulation is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
1601 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Fictionarry/ER-NeRF ER-NeRF is the official PyTorch implementation of an ICCV 2023 paper on region-aware Neural Radiance Fields for high-fidelity talking portr… | 21 | 1259 | stable |
| nv-tlabs/GET3D GET3D is NVIDIA's PyTorch implementation of a generative model that synthesizes high-quality 3D textured meshes (cars, chairs, animals, bui… | 32 | 4433 | maintenance |
| Roblox/cube Cube is Roblox's open-source family of foundation models for 3D intelligence, including text-to-3D shape generation and part-controllable m… | 55 | 1256 | active |
| CesiumGS/cesium-unreal Cesium for Unreal is an open-source Unreal Engine plugin that brings the 3D geospatial ecosystem into Unreal Engine, providing a full-scale… | 98 | 1246 | active |
| ValveSoftware/halflife Valve's official Half-Life 1 SDK containing engine-based game source code and development tools for the GoldSrc engine. It also serves as t… | 32 | 4377 | maintenance |
| apchenstu/TensoRF TensoRF is a PyTorch implementation of the ECCV 2022 paper 'TensoRF: Tensorial Radiance Fields', which models and reconstructs radiance fie… | 41 | 1239 | stable |
| ZED SDK The ZED SDK is a cross-platform spatial perception library for Stereolabs ZED stereo cameras, providing depth sensing, SLAM, 3D reconstruct… | 84 | 1236 | active |
| dethrace-labs/dethrace Dethrace is an open-source reverse-engineering project that rebuilds the 1997 driving/mayhem game Carmageddon to run natively on modern sys… | 83 | 1223 | active |
| Tencent-Hunyuan/HunyuanWorld-Mirror HunyuanWorld-Mirror is a feed-forward 3D reconstruction model from Tencent that predicts camera poses, intrinsics, depth maps, point clouds… | 52 | 1210 | active |
| JackHopkins/factorio-learning-environment An open-source framework for developing and evaluating LLM agents in the game of Factorio, providing an open-ended, non-saturating benchmar… | 83 | 1199 | active |
| chensjtu/GaussianObject GaussianObject is a research framework for high-quality 3D object reconstruction from as few as four input images using Gaussian splatting,… | 26 | 1192 | active |
| YOPO YOPO is a learning-based one-stage planner for quadrotor autonomous navigation in obstacle-dense environments, integrating perception, mapp… | 76 | 1187 | active |
| Digital-EDA/Digital-IDE Digital IDE is an all-in-one VSCode extension for hardware description language development, supporting Verilog, VHDL, and SystemVerilog. I… | 74 | 1185 | active |
| giongto35/cloud-morph CloudMorph is a decentralized, self-hosted cloud gaming and cloud application platform that streams Windows games and applications to a web… | 60 | 1182 | active |
| saniales/golang-crypto-trading-bot A console-based cryptocurrency trading bot written in Go that connects to multiple exchanges via REST and websocket. It supports custom tra… | 43 | 1164 | active |
| PKU-Alignment/omnisafe OmniSafe is a PyTorch-based infrastructural framework for safe reinforcement learning research, providing a unified modular toolkit and com… | 24 | 1153 | active |
| open-gigaai/giga-world-1 GigaWorld-1 is an open-source framework providing training, inference, data processing, checkpoint conversion, and LoRA merge workflows for… | 52 | 1152 | active |
| Being-H Being-H is a family of human-centric embodied foundation models, including VLA models (Being-H0.5, Being-H0) and latent world-action models… | 62 | 1148 | active |
| greatscottgadgets/luna LUNA is an Amaranth HDL (Python) framework providing FPGA gateware and software for working with USB, from passive protocol analysis to bui… | 70 | 1140 | active |
| InternRobotics/InternNav InternNav is an open-source PyTorch-based toolbox for building embodied navigation foundation models, supporting vision-language navigation… | 52 | 1135 | active |
| OpenDriveLab/UniVLA UniVLA is an open-source framework for training cross-embodiment vision-language-action (VLA) robot policies using task-centric latent acti… | 40 | 1134 | active |
| leggedrobotics/elevation_mapping_cupy A GPU-accelerated elevation mapping library for robotics, built on CuPy and integrated with ROS, that fuses point clouds into multi-modal t… | 85 | 1131 | active |
| Xilinx/Vitis_Libraries A collection of open-source, performance-optimized accelerated libraries for the AMD Vitis Unified Software Platform, offering out-of-the-b… | 90 | 1130 | active |
| MIT-SPARK/VGGT-SLAM VGGT-SLAM is a dense RGB SLAM system that performs real-time feed-forward 3D scene reconstruction, optimizing on the SL(4) manifold using t… | 56 | 1129 | active |
| xverse-engine/XScene-UEPlugin An Unreal Engine 5 plugin for real-time visualization, management, editing, and scalable hybrid rendering of 3D Gaussian Splatting models. … | 36 | 1125 | active |
| zju3dv/PGSR PGSR is a Python implementation of a planar-based Gaussian Splatting method for efficient, high-fidelity 3D surface reconstruction from mul… | 24 | 1113 | active |
| yzslab/gaussian-splatting-lightning A PyTorch Lightning implementation of 3D Gaussian Splatting with many derived algorithms (Mip-Splatting, LightGaussian, 2DGS, deformable Ga… | 56 | 1107 | active |
| Omniverse Kit Sample Suite A template toolkit from NVIDIA for building GPU-accelerated, OpenUSD-based 3D applications with the Omniverse Kit SDK. It provides pre-conf… | 74 | 1106 | active |
| google-research/multinerf Google Research's official code release for three NeRF papers: Mip-NeRF 360, Ref-NeRF, and RawNeRF, written in JAX. It trains neural radian… | 10 | 3805 | maintenance |
| eugene-tarassov/vivado-risc-v A collection of Xilinx Vivado block designs and Tcl scripts that generate a RISC-V SoC FPGA bitstream capable of booting a full Debian Linu… | 76 | 1100 | active |
| NVIDIA/DreamDojo NVIDIA's official PyTorch codebase for DreamDojo, a generalist robot world model pretrained on 44k hours of human egocentric video and post… | 45 | 1099 | active |
| lizhe00/AnimatableGaussians Official PyTorch implementation of the CVPR 2024 paper 'Animatable Gaussians', which learns pose-dependent Gaussian maps for high-fidelity … | 27 | 1099 | active |
| Toni-SM/skrl skrl is an open-source modular Reinforcement Learning library written in Python, implemented in PyTorch, JAX, and NVIDIA Warp. It supports … | 86 | 1098 | active |
| bitdefender/bddisasm bddisasm is a fast, lightweight x86/x64 instruction decoder library written in C with no external dependencies, no memory allocation, and t… | 87 | 1086 | active |
| Stability-AI/stable-point-aware-3d SPAR3D is Stability AI's open-source model for fast single-image 3D mesh reconstruction using a two-stage pipeline with point cloud conditi… | 27 | 1077 | active |
| GaussianAvatars Official research code for GaussianAvatars, a CVPR 2024 Highlight method that creates photorealistic, fully controllable head avatars by ri… | 53 | 1062 | active |
| ModelioOpenSource/Modelio Modelio is an open-source visual modeling environment supporting standards like UML, BPMN, ArchiMate, SysML, and TOGAF for enterprise archi… | 82 | 1057 | active |
| 3DTopia/3DTopia-XL 3DTopia-XL is a 3D diffusion transformer model that generates high-quality 3D assets with PBR materials from a single image or text prompt … | 34 | 1047 | active |
| fudan-zvg/4d-gaussian-splatting Official PyTorch/CUDA implementation of 4D Gaussian Splatting (ICLR 2024), which represents and renders dynamic scenes in real time using 4… | 54 | 1045 | active |
| tensorflow/minigo Minigo is an open-source, minimalist implementation of the AlphaGo Zero algorithm for the game of Go, built on TensorFlow. It provides a re… | 10 | 3543 | maintenance |
| rl-tools/rl-tools RLtools is a pure C++ header-only, dependency-free deep reinforcement learning library supporting algorithms like SAC, TD3, and PPO. It com… | 65 | 1036 | active |
| AlexWan/OsEngine OsEngine is an open-source algorithmic trading platform written in C# that bundles a robot-creation layer, historical data downloader (OsDa… | 81 | 1032 | active |
| Microsoft Quantum Development Kit The Microsoft Quantum Development Kit provides tooling for the Q# quantum programming language, including a compiler, language service, sta… | 94 | 1024 | active |
| pytorch/ELF ELF is an extensive, lightweight, and flexible C++/Python platform for game research, best known for ELF OpenGo, a full AlphaGoZero/AlphaZe… | 10 | 3410 | maintenance |
| eureka-research/Eureka Eureka is a research library from NVIDIA that uses coding LLMs like GPT-4 to automatically generate reward functions for reinforcement lear… | 28 | 3210 | maintenance |
| Tencent/PhoenixGo PhoenixGo is a Go (weiqi/baduk) AI engine from Tencent that implements the AlphaGo Zero approach of learning the game without human knowled… | 23 | 2918 | maintenance |
| kwea123/nerf_pl An unofficial PyTorch implementation of NeRF (Neural Radiance Fields) and NeRF in the Wild built on pytorch-lightning, supporting multi-GPU… | 23 | 2800 | maintenance |
| vchoutas/smplx A PyTorch implementation of SMPL-X, a unified parametric 3D model of the human body with fully articulated hands and an expressive face, al… | 32 | 2720 | maintenance |
| Dynamic 3D Gaussians Official PyTorch implementation of 'Dynamic 3D Gaussians: Tracking by Persistent Dynamic View Synthesis' (3DV 2024), which models dynamic 3… | 29 | 2303 | maintenance |
| zju3dv/NeuralRecon NeuralRecon is a deep learning framework for real-time 3D scene reconstruction from monocular video with known camera poses. It reconstruct… | 32 | 2284 | maintenance |
| NVlabs/alpamayo NVIDIA Alpamayo 1 is an open 10B-parameter reasoning vision-language-action (VLA) model for autonomous vehicles that pairs driving trajecto… | 59 | 2025 | maintenance |
| vsitzmann/siren Official PyTorch implementation of SIREN, a neural network architecture using periodic (sine) activation functions for implicit neural repr… | 32 | 2000 | maintenance |
| orangeduck/Corange Corange is a pure C game engine built on SDL and OpenGL, providing asset, entity, and UI management plus a modern deferred renderer. It ser… | 32 | 1993 | maintenance |
| google/nerfies Nerfies is the official JAX implementation of Deformable Neural Radiance Fields, which reconstructs non-rigidly deforming scenes from casua… | 10 | 1974 | maintenance |
| The-OpenROAD-Project/OpenLane OpenLane is an automated RTL-to-GDSII ASIC implementation flow built on OpenROAD, Yosys, Magic, Netgen, KLayout, and custom Python methodol… | 62 | 1950 | maintenance |
| magicleap/Atlas Atlas is a PyTorch-based deep learning model from Magic Leap that performs end-to-end 3D scene reconstruction from posed RGB images, produc… | 32 | 1859 | maintenance |
| xinshuoweng/AB3DMOT Official Python implementation of AB3DMOT, a simple real-time baseline for 3D multi-object tracking using oriented 3D bounding boxes from L… | 32 | 1846 | maintenance |
| LingBot-World LingBot-World is an open-source world model that generates high-fidelity, interactive simulated environments from video generation, support… | 56 | 1823 | maintenance |
| nywang16/Pixel2Mesh Pixel2Mesh is the official TensorFlow implementation of the ECCV 2018 paper that generates 3D mesh models from a single RGB image using a g… | 32 | 1768 | maintenance |
| openai/Video-Pre-Training OpenAI's Video PreTraining (VPT) codebase for learning Minecraft agents by watching unlabeled online videos, including behavioral cloning a… | 37 | 1747 | maintenance |
| cvg/nice-slam NICE-SLAM is a dense RGB-D SLAM system that combines neural implicit decoders with hierarchical grid-based scene representations, published… | 32 | 1600 | maintenance |
| Ewenwan/ORB_SLAM2_SSD_Semantic A C++ research project extending ORB_SLAM2 with dynamic object detection and semantic mapping. It combines SSD-based object detection (Mobi… | 32 | 1575 | maintenance |
| microsoft/TinyTroupe TinyTroupe is an experimental Python library for simulating people with specific personalities, interests, and goals using LLM-powered agen… | 74 | 7612 | experimental |
| thu-ml/prolificdreamer Official PyTorch implementation of ProlificDreamer, a NeurIPS 2023 method for high-fidelity text-to-3D generation using Variational Score D… | 30 | 1564 | maintenance |
| facebookresearch/DeepSDF DeepSDF is Facebook Research's official implementation of the CVPR 2019 paper on learning continuous signed distance functions for 3D shape… | 10 | 1562 | maintenance |
| marsauto/europilot Europilot is a Python toolkit that bridges Euro Truck Simulator 2 with deep-learning frameworks, enabling end-to-end self-driving research … | 32 | 1513 | maintenance |
| NVIDIAGameWorks/kaolin-wisp NVIDIA Kaolin Wisp is a PyTorch library and engine for neural fields research, built on NVIDIA Kaolin Core. It provides differentiable rend… | 23 | 1500 | maintenance |
| PlenOctrees Official PyTorch implementation of pixelNeRF, a CVPR 2021 method that predicts neural radiance fields conditioned on one or few input image… | 32 | 1465 | maintenance |
| facebookresearch/diplomacy_cicero Research code and model checkpoints for Cicero and Diplodocus, AI agents that play the board game Diplomacy at human level by combining lan… | 10 | 1431 | maintenance |
| lilipads/gradient_descent_viz A cross-platform C++/Qt desktop application that interactively visualizes five popular gradient descent optimization methods (vanilla GD, m… | 32 | 1419 | maintenance |
| Ceruleanacg/Personae Personae is a Python library implementing deep reinforcement learning (DDPG, Double DQN, Dueling DQN, Policy Gradient) and supervised learn… | 32 | 1409 | maintenance |
| nvidia-cosmos/cosmos-predict2.5 NVIDIA Cosmos-Predict2.5 is a family of world foundation models (WFMs) that generate video predictions of future world states for physical … | 67 | 1372 | maintenance |
| MoyGcc/vid2avatar Vid2Avatar is the official PyTorch implementation of a CVPR 2023 method that reconstructs detailed 3D human avatars from monocular in-the-w… | 54 | 1361 | maintenance |
| ShichenLiu/SoftRas SoftRas is a PyTorch-based differentiable renderer that treats rasterization as a differentiable aggregating process over mesh triangles, e… | 52 | 1300 | maintenance |
| Vu1nT0tal/IoT-vulhub A collection of Docker-based environments for reproducing IoT firmware vulnerabilities, inspired by the Vulhub project. It uses binwalk for… | 23 | 1298 | maintenance |
| kwea123/ngp_pl A PyTorch + CUDA implementation of NVIDIA's Instant-NGP focused on NeRF, trained with PyTorch Lightning for fast, high-quality neural radia… | 23 | 1286 | maintenance |
| apple/ml-neuman Official reference implementation of NeuMan (ECCV 2022), which reconstructs an animatable human and the background scene from a single vide… | 75 | 1285 | maintenance |
| Xharlie/pointnerf Point-NeRF is a research implementation of a point-based neural radiance field method (CVPR 2022 Oral) that models scenes with neural 3D po… | 32 | 1154 | maintenance |
| luigifcruz/pisdr-image PiSDR is a custom Raspbian-based Linux distribution image for Raspberry Pi and other SBCs with dozens of Software Defined Radio application… | 23 | 1126 | maintenance |
| primaryobjects/AI-Programmer AI-Programmer is a C# experiment that uses genetic algorithms to automatically generate programs in a Turing-complete esoteric language (Br… | 44 | 1102 | maintenance |
| hongfz16/AvatarCLIP Official PyTorch implementation of AvatarCLIP, a SIGGRAPH 2022 research framework that generates and animates 3D human avatars from natural… | 32 | 1101 | maintenance |
| YudongGuo/AD-NeRF A PyTorch implementation of AD-NeRF, an ICCV 2021 paper that synthesizes talking-head videos by driving neural radiance fields with audio i… | 32 | 1073 | maintenance |
| facebookresearch/CompilerGym CompilerGym is a Python library of OpenAI Gym-compatible reinforcement learning environments for compiler and program optimization tasks, c… | 10 | 1021 | maintenance |
| PRBonn/semantic_suma SuMa++ is a C++ implementation of efficient LiDAR-based semantic SLAM that builds 3D semantic maps from laser range scans, combining the Su… | 32 | 1019 | maintenance |
| snap-research/NeROIC Official PyTorch implementation of NeROIC, a neural method for capturing 3D object geometry and material from online image collections and … | 32 | 1012 | maintenance |
| SheerSt/pokewilds PokeWilds is a Gen 2-style Pokémon fan game and engine built with libGDX, featuring procedurally generated open worlds with biomes, wild mo… | 63 | 2900 | experimental |
| etched-ai/open-oasis Inference code and model weights for Oasis 500M, an interactive world model from Decart and Etched that generates gameplay video autoregres… | 22 | 2145 | experimental |
| Android Emulator Container Scripts A set of Python scripts from Google for running the Android emulator inside Docker containers, with pre-built images hosted on Google Artif… | 76 | 2103 | experimental |
| rexdex/recompiler A C++ tool that converts Xbox 360 PowerPC executables into native Windows x86 executables, handling CPU translation, endianness, and GPU em… | 32 | 1742 | experimental |
| hugoam/toy toy is a thin and modular C++ game engine built on top of the 'two' library, aiming to provide the simplest technology stack for making 2D … | 32 | 1594 | experimental |
| graphdeco-inria/hierarchical-3d-gaussians Official implementation of the SIGGRAPH 2024 paper 'A Hierarchical 3D Gaussian Representation for Real-Time Rendering of Very Large Dataset… | 32 | 1471 | experimental |
| osama-fawad/Pekingman Pekingman is a multimodal AGI-oriented agent system that connects environmental perception, long-term memory, human-like reasoning, emotion… | 51 | 1419 | experimental |
| lizhihao6/Sparc3D Sparc3D is the official implementation of a research framework for high-resolution 3D shape modeling, combining a sparse deformable marchin… | 28 | 1359 | experimental |
| Tencent-Hunyuan/Hunyuan3D-WorldClaw WorldClaw is a research framework from Tencent Hunyuan for agentic, large-scale 3D open-world generation, released alongside an arXiv paper… | 53 | 1334 | experimental |
| geohot/twitchslam A toy monocular SLAM (Simultaneous Localization and Mapping) implementation written in Python during livestreams. It extracts features from… | 32 | 1003 | experimental |
| DeviaVir/zenbot Zenbot is a command-line cryptocurrency trading bot built with Node.js and MongoDB that automates technical-analysis-based trading across m… | 10 | 8258 | abandoned |
| google/tf-quant-finance A high-performance TensorFlow library for quantitative finance providing foundational numerical methods, ODE/PDE solvers, and pricing model… | 62 | 5526 | abandoned |
| google/bottery Bottery is a syntax, editor, and simulator for prototyping generative contextual conversations modeled as finite state machines, with maps … | 10 | 3269 | abandoned |
| unity3d-jp/unitychan-crs Unity-Chan 'Candy Rock Star' is a live stage demo project for the Unity game engine featuring Unity Japan's mascot character performing a s… | 23 | 1290 | abandoned |
| kakaobrain/nerf-factory A PyTorch library collecting reimplementations of seven popular NeRF (Neural Radiance Fields) models such as NeRF, Mip-NeRF, DVGO, and Ref-… | 10 | 1272 | abandoned |