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	2,784	1,972
Forks	200	144
Open Issues	40	36
Last Commit	Sep 24, 2026	Sep 29, 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

GitHub stars over time

Alexandrie2,784

Atomic

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