Alexandrie vs Atomic

Comparing two open source alternatives to Notion . 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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Atomic

MIT

A self-hosted personal knowledge base that turns markdown notes into an AI-augmented knowledge graph with semantic search and wiki synthesis.

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Side-by-side comparison

	Alexandrie	Atomic
License	MIT	MIT
Self-hostable	Yes	Yes
GitHub Stars	1,761	1,585
Forks	106	107
Open Issues	9	33
Last Commit	Jul 7, 2026	Jul 2, 2026
First Released	Aug 21, 2022	Nov 25, 2025
Categories	Wiki Software	Note Taking & Knowledge Management Tools
Tags	#self hosted #markdown #wiki #pwa #note taking	#note taking #markdown #knowledge-management #LLM #local ai

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