Outline vs Wiki.js

Comparing two open source alternatives to Notion and Confluence. Use the comparison below to decide which one fits your needs.

Outline

BSL-1.1

The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.

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Wiki.js

AGPL-3.0

Wiki.js is a modern, powerful open-source wiki app built on Node.js. Versioned, searchable, beautiful, and self-hosted — a knowledge base for any team, big or small.

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Side-by-side comparison

	Outline	Wiki.js
License	BSL-1.1	AGPL-3.0
Self-hostable	Yes	No
GitHub Stars	41,162	29,146
Forks	3,652	3,340
Open Issues	67	9
Last Commit	Nov 3, 2026	Nov 3, 2026
First Released	May 22, 2016	Aug 16, 2016
Categories	Wiki Software	Wiki Software Internal Knowledge Base Knowledge Management Tools
Tags	#wiki #collaboration #knowledge-base	#markdown #documentation #wiki

GitHub stars over time

Outline41,162

Wiki.js

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