Obsidian 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?
FeatureObsidianOutline
CategoryNotes & Knowledge BaseNotes & Knowledge Base
LicenseProprietaryBSL-1.1
LanguageJavaScriptTypeScript
Setup difficultyEasyMedium
Min. RAM256 MB1,024 MB
Deploymentbinarydocker
GitHub stars★ 20,632★ 40,034
First released20202017
ReplacesEvernote, Notion, OneNoteNotion, Confluence

Why pick each one

Choose Obsidian if…

  • Notes stay portable and local
  • Highly extensible
Obsidian details

Choose Outline if…

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

Frequently asked questions

Is Obsidian or Outline better?

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

Are Obsidian and Outline free and open-source?

Yes. Obsidian is licensed under Proprietary and Outline under BSL-1.1. Both can be self-hosted at no software cost.

Can I run Obsidian and Outline with Docker?

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

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