Alexandrie vs Outline

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

Alexandrie

MIT

Self-hosted knowledge base with extended Markdown editor, Kanban, OIDC/SSO, PWA and offline support.

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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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Side-by-side comparison

	Alexandrie	Outline
License	MIT	BSL-1.1
Self-hostable	Yes	Yes
GitHub Stars	2,798	40,859
Forks	201	3,609
Open Issues	41	74
Last Commit	Sep 24, 2026	Oct 10, 2026
First Released	Aug 21, 2022	May 22, 2016
Categories	Wiki Software	Wiki Software
Tags	#self hosted #markdown #wiki #pwa #note taking	#wiki #collaboration #knowledge-base

GitHub stars over time

Alexandrie2,798

Outline

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