caniopen-sourceit

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Outline

★ 40k

Fast, collaborative team wiki and knowledge base with slick editor

Outline does the job of Notion and Confluence, self-hosted. It is BSL-1.1-licensed, and setting it up is an afternoon, not a weekend. Notion bills $6-12/user for it. 40k stars on GitHub.

Open-source replacement for Notion, Confluence.

Licence
BSL-1.1
Self-hosting
Medium
The paid one costs
$6-12/user
GitHub stars
40k
view the code →official site →

Is it actually a replacement?

We have written a verdict on what it replaces — what you lose, and why people still pay:

How Outline runs

Where it runs

Outline runs on your server.

What setup takes

not verified by us yet — check the repo README.

Outline questions

Is Outline open source?

Yes — it is released under BSL-1.1.

Can Outline replace Notion?

Our verdict on Notion is YES. AppFlowy (75k stars), Joplin (56k stars), SiYuan (46k stars) are mature open-source replacements for Notion — self-host in one command and stop paying $12/mo.

Can I self-host Outline?

Yes — we rate it medium to self-host, and it runs on your server.

More notion alternative tools