Lichess vs OpenClonk

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

Not the right match-up?
FeatureLichessOpenClonk
CategoryGame ServersGame Servers
LicenseAGPL-3.0ISC
LanguageScalaC++
Setup difficultyHardEasy
Min. RAM4,096 MB512 MB
Deploymentdocker, sourcebinary, source
GitHub stars★ 18,557★ 401
First released20102013
ReplacesChess.comClonk

Why pick each one

Choose Lichess if…

  • Full-featured chess platform
  • Completely ad-free
Lichess details

Choose OpenClonk if…

  • Released under the ISC license
  • Easy to set up — beginner-friendly
  • Written in C++
  • Lightweight — runs in 512 MB RAM
OpenClonk details

Frequently asked questions

Is Lichess or OpenClonk better?

Neither is universally better. Lichess has the larger community, while OpenClonk is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Lichess and OpenClonk free and open-source?

Yes. Lichess is licensed under AGPL-3.0 and OpenClonk under ISC. Both can be self-hosted at no software cost.

Can I run Lichess and OpenClonk with Docker?

Lichess: yes. OpenClonk: check the project docs for container support.

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