head to head · open source
Babylon.js vs colyseus
Babylon.js has 26,293 GitHub stars, 3,722 forks, 22 open issues and last shipped 2 days ago. colyseus has 7,511 stars, 683 forks, 19 open issues and last shipped yesterday. Babylon.js leads on adoption by 250% (26,293 vs 7,511 stars). Babylon.js is written in TypeScript under Apache-2.0; colyseus is written in TypeScript under MIT. Babylon.js has attracted 14% as many forks as stars, colyseus 9%. colyseus 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
| Babylon.js | colyseus | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 7.5K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-03 | 2026-11-04 |
| Forks | ⑂ 3.7K | ⑂ 683 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Babylon.js if
- You weight community size — 26K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick colyseus if
- You want the colyseus feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and colyseus fits your workflow better
About Babylon.js
Babylon.js Getting started? Play directly with the Babylon.js API using our playground. It also contains a lot of samples to learn how to use it. Any questions? Here is our official forum. CDN ⚠️ WARNING: The CDN should not be used in production environments. The purpose of our CDN is to serve Babylon packages to users learning how to use the platform or running small experiments. Once you've built an application and are ready to share it with the world at large, you should serve all packages from your own CDN. For the preview release, use the following URLs: A list of additional references can be found here…
read the full Babylon.js overview →
About colyseus
Multiplayer Framework for Node.js. View documentation Colyseus is an Authoritative Multiplayer Framework for Node.js, with SDKs available for all major platforms and engines. Client SDKs The project focuses on providing synchronizable data structures for realtime and turn based games, matchmaking, and ease of usage both on the server side and client side. The mission of the framework is to be a standard netcode & matchmaking solution for any kind of project you can think of! Why developers choose Colyseus: ⚡️ Real time state sync that just works → Define your state on the server and it automatically synchronizes…
read the full colyseus overview →
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Frequently asked questions
Is Babylon.js or colyseus more popular?
Babylon.js has 26,293 GitHub stars and colyseus has 7,511. Babylon.js has the larger community by that measure.
Are Babylon.js and colyseus free?
Both are open source. Babylon.js is licensed under Apache-2.0 and colyseus under MIT. Neither carries a licence fee.
What is the difference between Babylon.js and colyseus?
Babylon.js is written in TypeScript and colyseus in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Babylon.js or colyseus?
Choose Babylon.js if you want the larger community (26,293 stars) or its Apache-2.0 licence terms. Choose colyseus if its feature set, stack or MIT licence fits better. Both are self-hostable.