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#simulation (30 Repositories)

Ranked open-source repositories tagged with #simulation, scored by pull request acceptance likelihood and maintainer engagement velocity.

Topic Avg Merge Rate

76.8%

Avg Review Latency

17.8h

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30 repositories tagged #simulation

S TierTypeScript 663 17 GFIs

OpenRailAssociation/osrd

An open source web application for railway infrastructure design, capacity analysis, timetabling and simulation

80.5%
Merge Rate
1d
First Review
78%
1st-Timers
48
Maintainers
S TierJava 140

virtualcell/vcell

Virtual Cell Framework

87.6%
Merge Rate
8h
First Review
100%
1st-Timers
4
Maintainers
S TierJava 649 3 GFIs

matsim-org/matsim-libs

Multi-Agent Transport Simulation

93.2%
Merge Rate
3d
First Review
82%
1st-Timers
20
Maintainers
S TierLua 111

Realistic-Farming/FS25_SoilFertilizer

Realistic soil nutrient management for Farming Simulator 25. Track N/P/K, pH, and organic matter per field — with crop-specific depletion, fertilizer replenishment, weather effects, and seasonal cycles.

87.3%
Merge Rate
-
First Review
83%
1st-Timers
14
Maintainers
S TierPython 162 2 GFIs

equinor/ert

ERT - Ensemble based Reservoir Tool - is designed for running ensembles of dynamical models such as reservoir models, in order to do sensitivity analysis and data assimilation. ERT supports data assimilation using the Ensemble Smoother (ES) and Ensemble Smoother with Multiple Data Assimilation (ES-MDA).

77.9%
Merge Rate
-
First Review
73%
1st-Timers
23
Maintainers
A TierC++ 406

chaos-polymtl/lethe

Repository for the open-source lethe CFD/DEM/CFD-DEM project

82.8%
Merge Rate
-
First Review
89%
1st-Timers
14
Maintainers
A TierCUCuda 827

brucefan1983/GPUMD

Graphics Processing Units Molecular Dynamics

79.4%
Merge Rate
1d
First Review
80%
1st-Timers
13
Maintainers
A TierC# 3.7k 9 GFIs

Revolutionary-Games/Thrive

The main repository for the development of the evolution game Thrive.

72.7%
Merge Rate
-
First Review
92%
1st-Timers
18
Maintainers
A TierPython 144

AMICI-dev/AMICI

High-performance sensitivity analysis for large ordinary differential equation models

74.6%
Merge Rate
9h
First Review
67%
1st-Timers
5
Maintainers
A TierPython 353 1 GFIs

springfall2008/batpred

Home battery prediction and charging automation for Home Assistant, supporting many inverter types

65.8%
Merge Rate
-
First Review
67%
1st-Timers
110
Maintainers
A TierTypeScript 3.2k

davidmonterocrespo24/velxio

Emulate Arduino, ESP32 & Raspberry Pi. in your browser. Write code, compile, and run on 19 real boards — Arduino Uno, ESP32, ESP32-C3, Raspberry Pi Pico, Raspberry Pi 3, and more. No hardware, no cloud, no limits.. Discord: https://discord.gg/3mARjJrh4E

86.8%
Merge Rate
3d
First Review
67%
1st-Timers
4
Maintainers
A TierJavaScript 139

Open-Historia/open-historia

An open source alternative to Pax Historia

68.6%
Merge Rate
17h
First Review
20%
1st-Timers
9
Maintainers
A TierC++ 495 1 GFIs

BLAST-WarpX/warpx

WarpX is an advanced Particle-In-Cell code.

59.6%
Merge Rate
-
First Review
71%
1st-Timers
23
Maintainers
A TierC++ 128

glotzerlab/fresnel

Publication quality path tracing in real time.

100.0%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
A TierJava 3.2k 1 GFIs

openrocket/openrocket

Model-rocketry aerodynamics and trajectory simulation software

75.9%
Merge Rate
9h
First Review
50%
1st-Timers
15
Maintainers
A TierTypeScript 1.7k

hashintel/hash

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

72.4%
Merge Rate
1d
First Review
73%
1st-Timers
14
Maintainers
A TierC++ 454

glotzerlab/hoomd-blue

Molecular dynamics and Monte Carlo soft matter simulation on GPUs.

90.0%
Merge Rate
<1h
First Review
100%
1st-Timers
2
Maintainers
A TierC++ 260

ros-controls/mujoco_ros2_control

ROS2 control package for Mujoco simulation physics simulator, including plugins for various sensors, RGB-D cameras, and lidar.

72.2%
Merge Rate
2h
First Review
73%
1st-Timers
18
Maintainers
A TierC++ 1.9k

OpenLoco/OpenLoco

An open source re-implementation of Chris Sawyer's Locomotion

76.2%
Merge Rate
8h
First Review
82%
1st-Timers
25
Maintainers
A TierJUJulia 736

trixi-framework/Trixi.jl

Trixi.jl: Adaptive high-order numerical simulations of conservation laws in Julia

65.3%
Merge Rate
-
First Review
77%
1st-Timers
21
Maintainers
A TierC++ 8.3k 3 GFIs

OpenTTD/OpenTTD

OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

80.6%
Merge Rate
4d
First Review
68%
1st-Timers
34
Maintainers
A TierC++ 1.3k

sofa-framework/sofa

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

77.2%
Merge Rate
-
First Review
60%
1st-Timers
10
Maintainers
A TierC++ 1.1k

opensim-org/opensim-core

SimTK OpenSim C++ libraries and command-line applications, and Java/Python wrapping.

65.6%
Merge Rate
5h
First Review
60%
1st-Timers
12
Maintainers
A TierJava 120

gama-platform/gama

Main repository for developing the 2025+ versions of GAMA

67.9%
Merge Rate
-
First Review
83%
1st-Timers
7
Maintainers
A TierC++ 1.5k 8 GFIs

gazebosim/gz-sim

Open source robotics simulator. The latest version of Gazebo.

53.6%
Merge Rate
-
First Review
52%
1st-Timers
35
Maintainers
A TierPython 399

upkie/upkie

Open-source wheeled biped robots

83.3%
Merge Rate
<1h
First Review
100%
1st-Timers
1
Maintainers
A TierPython 2.1k 134 GFIs

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.

51.6%
Merge Rate
2d
First Review
20%
1st-Timers
94
Maintainers
A TierC++ 133

rohanpsingh/mc_mujoco

MuJoCo interface for mc-rtc

100.0%
Merge Rate
1d
First Review
100%
1st-Timers
2
Maintainers
A TierC++ 1.9k

pioneerspacesim/pioneer

A game of lonely space adventure

71.6%
Merge Rate
1d
First Review
89%
1st-Timers
17
Maintainers
A TierJavaScript 6.4k 1 GFIs

pshenok/server-survival

Tower defense game that teaches cloud architecture. Build infrastructure, survive traffic, learn scaling.

83.5%
Merge Rate
3d
First Review
100%
1st-Timers
1
Maintainers
Best Simulation Open Source Repositories & C-Rank™ | GetMerged