Zettlr vs Outline

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

Not the right match-up?
FeatureZettlrOutline
CategoryNotes & Knowledge BaseNotes & Knowledge Base
LicenseGPL-3.0BSL-1.1
LanguageTypeScriptTypeScript
Setup difficultyEasyMedium
Min. RAM256 MB1,024 MB
Deploymentbare-metal, binarydocker
GitHub stars★ 13,354★ 40,034
First released20172017
ReplacesNotion, ObsidianNotion, Confluence

Why pick each one

Choose Zettlr if…

  • Strong academic features
  • Plain Markdown files
Zettlr details

Choose Outline if…

  • Polished team wiki
  • Great search
  • Strong integrations
Outline details

Frequently asked questions

Is Zettlr or Outline better?

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

Are Zettlr and Outline free and open-source?

Yes. Zettlr is licensed under GPL-3.0 and Outline under BSL-1.1. Both can be self-hosted at no software cost.

Can I run Zettlr and Outline with Docker?

Zettlr: check the project docs for container support. Outline: yes.

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