head to head · open source
three.js vs OpenRA
three.js has 117,658 GitHub stars, 36,874 forks, 386 open issues and last shipped today. OpenRA has 17,736 stars, 3,112 forks, 1,598 open issues and last shipped 9 days ago. three.js leads on adoption by 563% (117,658 vs 17,736 stars). three.js is written in JavaScript under MIT; OpenRA is written in C# under GPL-3.0. three.js has attracted 31% as many forks as stars, OpenRA 18%. three.js was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| three.js | OpenRA | |
|---|---|---|
| GitHub stars | ★ 118K | ★ 18K |
| License | MIT | GPL-3.0 |
| Written in | JavaScript | C# |
| Last push | 2026-11-06 | 2026-10-28 |
| Forks | ⑂ 37K | ⑂ 3.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick three.js if
- You weight community size — 118K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick OpenRA if
- You want the OpenRA feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches C#
- You evaluated both and OpenRA fits your workflow better
About three.js
three.js [![NPM Package][npm]][npm url] [![Build Size][build size]][build size url] [![NPM Downloads][npm downloads]][npmtrends url] [![jsDelivr Downloads][jsdelivr downloads]][jsdelivr url] [![Discord][discord]][discord url] JavaScript 3D library The aim of the project is to create an easy to use, lightweight, cross browser, general purpose 3D library. The current builds only include WebGL and WebGPU renderers but SVG and CSS3D renderers are also available as addons. Examples — Docs — Manual — Wiki — Migrating — Questions — Forum — Discord Usage This code creates a…
read the full three.js overview →
About OpenRA
OpenRA A Libre/Free Real Time Strategy game engine supporting early Westwood classics. Website: Chat: openra on Libera (web) or Discord Repository: Please read the FAQ in our Wiki and report problems at Join the Forum for discussion. Play Distributed mods include a reimagining of Command & Conquer: Red Alert Command & Conquer: Tiberian Dawn Dune 2000 EA has not endorsed and does not support this product. Check our Playing the Game Guide to win multiplayer matches. Contribute Please read INSTALL.md and Compiling on how to set up an OpenRA development environment. See Hacking for a (now very outdated) overview of…
read the full OpenRA overview →
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Frequently asked questions
Is three.js or OpenRA more popular?
three.js has 117,658 GitHub stars and OpenRA has 17,736. three.js has the larger community by that measure.
Are three.js and OpenRA free?
Both are open source. three.js is licensed under MIT and OpenRA under GPL-3.0. Neither carries a licence fee.
What is the difference between three.js and OpenRA?
three.js is written in JavaScript and OpenRA in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, three.js or OpenRA?
Choose three.js if you want the larger community (117,658 stars) or its MIT licence terms. Choose OpenRA if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.