Excalidraw vs klaus

A side-by-side comparison of two self-hosted developer tools & git options — licensing, setup difficulty, resource needs, and what each one replaces.

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FeatureExcalidrawklaus
CategoryDeveloper Tools & GitDeveloper Tools & Git
LicenseMITISC
LanguageTypeScriptPython
Setup difficultyEasyEasy
Min. RAM256 MB128 MB
Deploymentdockerdocker, bare-metal, source
GitHub stars★ 129,145★ 702
First released20202011
ReplacesMiroGitHub

Why pick each one

Choose Excalidraw if…

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Mature project with 129.1k GitHub stars
Excalidraw details

Choose klaus if…

  • Released under the ISC license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Written in Python
klaus details

Frequently asked questions

Is Excalidraw or klaus better?

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

Are Excalidraw and klaus free and open-source?

Yes. Excalidraw is licensed under MIT and klaus under ISC. Both can be self-hosted at no software cost.

Can I run Excalidraw and klaus with Docker?

Excalidraw: yes. klaus: yes.

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