InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →
Top 23 JavaScript Simulation Projects
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SurveyJS
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
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Quirk
A drag-and-drop quantum circuit simulator that runs in your browser. A toy for exploring and understanding small quantum circuits. (by Strilanc)
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ims
📚 Introduction to Modern Statistics - A college-level open-source textbook with a modern approach highlighting multivariable relationships and simulation-based inference. For v1, see https://openintro-ims.netlify.app.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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worm-sim
Simulate the C. Elegans worm brain in your browser and interact with the worm as it moves around
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Sandboxels
Sandboxels is an in-browser falling sand simulation game, with mechanics such as heat simulation, electricity, density, chemical reactions, fire, and over 500 unique elements to play with.
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skies-adsb
skies-adsb transforms your browser into a real-time 3D air traffic display. Using unfiltered ADS-B data from an RTL-SDR receiver, explore your local air traffic, surrounding airspace, and geography with custom 3D maps you can tailor to your needs.
Project mention: Show HN: Skies-adsb 2.0 release – RTL-SDR ADS-B 3D plane tracking app | news.ycombinator.com | 2025-02-11 -
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galaxy_sim
This project is a simulation of thousands of particles that reproduce gravity to simulate galaxies. It uses ThreeJS for 3D rendering and shaders to calculate the movement of particles in real-time.
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Project mention: Show HN: The Sundown WebGPU game and SIM engine | news.ycombinator.com | 2024-07-21
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript Simulation discussion
JavaScript Simulation related posts
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Show HN: Splash – A Real-Time Fluid Simulation in Browsers Implemented in WebGPU
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WebGL Fluid Simulation
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We built the city of Colombo in Cities:Skylines
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WebGL Fluid Simulation
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Shadama: A Particle Simulation Programming Environment for Everyone
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That is some extremely impressive water physics, especialy for a place you only visit once. How did they do it? (MAJOR SPOILERS FOR 4.2 WORLD QUEST)
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WebGL Fluid Simulation
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A note from our sponsor - InfluxDB
www.influxdata.com | 22 May 2025
Index
What are some of the best open-source Simulation projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | WebGL-Fluid-Simulation | 15,438 |
| 2 | force-graph | 1,759 |
| 3 | covid19_scenarios | 1,355 |
| 4 | Quirk | 989 |
| 5 | ims | 893 |
| 6 | micropolisJS | 657 |
| 7 | hexapod | 610 |
| 8 | d-zone | 585 |
| 9 | Goopt | 518 |
| 10 | LifeEngine | 498 |
| 11 | worm-sim | 391 |
| 12 | Sandboxels | 243 |
| 13 | skies-adsb | 231 |
| 14 | wokwi-docs | 154 |
| 15 | 1255-burgomaster | 131 |
| 16 | galaxy_sim | 127 |
| 17 | linuxWeb | 117 |
| 18 | jsColorblindSimulator | 109 |
| 19 | Terminhack | 84 |
| 20 | virus-spreading | 83 |
| 21 | 3d-core-raub | 76 |
| 22 | diablo-rift-simulator.github.io | 64 |
| 23 | Sundown | 60 |
Sponsored
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor
Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build complex JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
surveyjs.io