1.jrouwe / JoltPhysics
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.
+936 stars
from 11,174 · score 6.84
Trending repositories
Ranked by Attention Score: stars gained over the last 90 complete days
56 repositories by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
2.future-agi / future-agi
Open-source, end-to-end platform for evaluating, observing, and improving LLM and AI agent applications. Tracing · Evals · Simulations · Datasets · Gateway · Guardrails. Self-hostable. Apache 2.0.
+666 stars
from 1,571 · score 6.50
3.OpenRCT2 / OpenRCT2
An open source re-implementation of RollerCoaster Tycoon 2 🎢
+534 stars
from 15,996 · score 6.28
4.OpenTTD / OpenTTD
OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe
+328 stars
from 8,119 · score 5.80
5.PavelDoGreat / WebGL-Fluid-Simulation
Play with fluids in your browser (works even on mobile)
+295 stars
from 16,492 · score 5.69
6.taojy123 / KeymouseGo
类似按键精灵的鼠标键盘录制和自动化操作 模拟点击和键入 | automate mouse clicks and keyboard input
+248 stars
from 10,397 · score 5.52
7.cyberbotics / webots
Webots Robot Simulator
+236 stars
from 4,507 · score 5.47
8.bulletphysics / bullet3
Bullet Physics SDK: real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.
+221 stars
from 14,619 · score 5.40
9.mesa / mesa
Mesa is an open-source Python library for agent-based modeling, ideal for simulating complex systems and exploring emergent behaviors.
+183 stars
from 3,750 · score 5.21
10.Revolutionary-Games / Thrive
The main repository for the development of the evolution game Thrive.
+183 stars
from 3,625 · score 5.21
11.projectchrono / chrono
High-performance C++ library for multiphysics and multibody dynamics simulations
+181 stars
from 2,953 · score 5.20
12.openrocket / openrocket
Model-rocketry aerodynamics and trajectory simulation software
+174 stars
from 3,014 · score 5.16
13.synthetichealth / synthea
Synthetic Patient Population Simulator
+164 stars
from 3,265 · score 5.11
14.The-Powder-Toy / The-Powder-Toy
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.
+155 stars
from 5,235 · score 5.05
15.eclipse-sumo / sumo
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.
+149 stars
from 4,104 · score 5.01
16.lammps / lammps
Public development project of the LAMMPS MD software package
+125 stars
from 2,994 · score 4.84
17.Schlaubischlump / LocationSimulator
MacOS application to spoof / fake / mock your iOS / iPadOS or iPhoneSimulator device location. WatchOS and TvOS are partially supported.
+109 stars
from 3,058 · score 4.70
18.pathsim / pathsim
A Python native dynamical system simulation framework in the block diagram paradigm.
+103 stars
from 409 · score 4.64
19.jslee02 / awesome-robotics-libraries
:sunglasses: A curated list of robotics libraries and software
+102 stars
from 2,998 · score 4.63
20.idaholab / moose
Multiphysics Object Oriented Simulation Environment: A robust, modern, extendable, finite element/finite volume framework that excels at creating complex multiphysics simulations.
+87 stars
from 2,312 · score 4.48
21.quantumlib / Cirq
Python framework for creating, editing, and running Noisy Intermediate-Scale Quantum (NISQ) circuits.
+81 stars
from 5,019 · score 4.41
22.pgmpy / pgmpy
Python Toolkit for Causal and Probabilistic Reasoning
+67 stars
from 3,298 · score 4.22
23.Unity-Technologies / Unity-Robotics-Hub
Central repository for tools, tutorials, resources, and documentation for robotics simulation in Unity.
+61 stars
from 2,545 · score 4.13
24.sofa-framework / sofa
Real-time multi-physics simulation with an emphasis on medical simulation.
+59 stars
from 1,236 · score 4.09
25.ahundt / awesome-robotics
A curated list of awesome links and software libraries that are useful for robots.
+57 stars
from 1,462 · score 4.06
26.osrf / gazebo_models
Gazebo database of SDF models. This is a predecessor to https://app.gazebosim.org
+52 stars
from 1,283 · score 3.97
27.MFlowCode / MFC
Exascale multiphase flow solver — 2025 Gordon Bell Prize Finalist | 200T grid points on 43K+ GPUs
+48 stars
from 390 · score 3.89
28.pioneerspacesim / pioneer
A game of lonely space adventure
+43 stars
from 1,886 · score 3.78
29.R74nCom / sandboxels
In-browser falling-sand simulation game with over 500 elements and thousands of reactions.
+41 stars
from 436 · score 3.74
30.precice / precice
A coupling library and ecosystem for partitioned multi-physics and multi-scale simulations, including surface and volume coupling.
+35 stars
from 952 · score 3.58
31.unknown-horizons / unknown-horizons
Unknown Horizons official code repository
+34 stars
from 1,525 · score 3.56
32.jasonwebb / morphogenesis-resources
Resources on the topic of digital morphogenesis (creating form with code). Includes links to major articles, code repos, creative projects, books, software, and more.
+33 stars
from 2,266 · score 3.53
33.lmmentel / awesome-python-chemistry
A curated list of Python packages related to chemistry
+30 stars
from 1,421 · score 3.43
34.TUDelft-CNS-ATM / bluesky
The open source air traffic simulator
+29 stars
from 546 · score 3.40
35.mithi / hexapod
Blazing fast hexapod robot simulator for the web.
+26 stars
from 773 · score 3.30
36.unknown-horizons / godot-port
Unknown Horizons Godot Engine Port
+25 stars
from 886 · score 3.26
37.ucla-mobility / OpenCDA
A generalized framework for prototyping full-stack cooperative driving automation applications under CARLA+SUMO.
+13 stars
from 1,158 · score 2.64
38.mlange-42 / ark
Ark -- Archetype-based Entity Component System (ECS) for Go.
+12 stars
from 293 · score 2.56
39.libMesh / libmesh
libMesh github repository
+11 stars
from 750 · score 2.48
40.usnistgov / fipy
FiPy is a Finite Volume PDE solver written in Python
+10 stars
from 635 · score 2.40
41.MmgTools / mmg
open source software for bidimensional and tridimensional remeshing
+10 stars
from 481 · score 2.40
42.fofapro / fapro
Fake Protocol Server
+8 stars
from 1,608 · score 2.20
43.kjkrol / goke
High-performance, zero-allocation ECS for Go. Cache-friendly data orchestrator with type-safe iterators.
+8 stars
from 86 · score 2.20
44.uber-common / metta
An information security preparedness tool to do adversarial simulation.
+6 stars
from 1,142 · score 1.95
45.uuvsimulator / uuv_simulatorArchived
Gazebo/ROS packages for underwater robotics simulation
+6 stars
from 883 · score 1.95
46.johnmcfarlane / cnl
A Compositional Numeric Library for C++
+5 stars
from 690 · score 1.79
47.stuntrally / stuntrally
NOTE: development in stuntrally3 repo. 3D racing game based on VDrift and OGRE with own Track Editor. The main repository with Stunt Rally 2.x sources and data.
+5 stars
from 642 · score 1.79
48.sebsjames / mathplot
C++ modules for plotting, graphing and data visualization
+5 stars
from 62 · score 1.79
49.ECSIM / opem
OPEM (Open Source PEM Fuel Cell Simulation Tool)
+4 stars
from 230 · score 1.61
50.d-wasserman / Complete_Street_Rule
The Complete Street Rule for ArcGIS CityEngine is a scenario oriented design tool intended to enable users to quickly create procedurally generated multimodal streets.
+4 stars
from 214 · score 1.61
51.ika-rwth-aachen / Cam2BEV
TensorFlow Implementation for Computing a Semantically Segmented Bird's Eye View (BEV) Image Given the Images of Multiple Vehicle-Mounted Cameras.
+3 stars
from 790 · score 1.39
52.pydy / pydy
Multibody dynamics tool kit.
+3 stars
from 414 · score 1.39
53.h2non / toxyArchived
Hackable HTTP proxy for resiliency testing and simulated network conditions
+2 stars
from 2,710 · score 1.10
54.enlite-ai / maze
Maze Applied Reinforcement Learning Framework
+2 stars
from 292 · score 1.10
55.OpenSimulationInterface / open-simulation-interface
A generic interface for the environmental perception of automated driving functions in virtual scenarios.
+1 stars
from 299 · score 0.69
56.brainelectronics / Micropython-ESP-WiFi-Manager
MicroPython based ESP WiFi Manager
+1 stars
from 37 · score 0.69