Colyseus vs GeyserMC

A side-by-side comparison of two self-hosted game servers options — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureColyseusGeyserMC
CategoryGame ServersGame Servers
LicenseMITMIT
LanguageTypeScriptJava
Setup difficultyMediumMedium
Min. RAM256 MB256 MB
Deploymentdocker, bare-metaldocker, bare-metal, binary
GitHub stars★ 7,168★ 5,734
First released20162019
ReplacesPhoton EngineMinecraft cross-play workarounds

Why pick each one

Choose Colyseus if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Mature project with 7.2k GitHub stars
  • Written in TypeScript
Colyseus details

Choose GeyserMC if…

  • Enables cross-play
  • Works as plugin or proxy
GeyserMC details

Frequently asked questions

Is Colyseus or GeyserMC better?

Neither is universally better. Colyseus has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Colyseus and GeyserMC free and open-source?

Yes. Colyseus is licensed under MIT and GeyserMC under MIT. Both can be self-hosted at no software cost.

Can I run Colyseus and GeyserMC with Docker?

Colyseus: yes. GeyserMC: yes.

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