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Atomic vs Wiki.js

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

Atomic

Atomic

MIT

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

Wiki.js

Wiki.js

AGPL-3.0

Wiki.js | A modern and powerful wiki app built on Node.js

Side-by-side comparison

Atomic Atomic
Wiki.js Wiki.js
License MIT AGPL-3.0
Self-hostable Yes No
GitHub Stars 82 28,086
Forks 4 3,174
Open Issues 1 176
Last Commit Mar 21, 2026 Mar 23, 2026
First Released Nov 25, 2025 Aug 16, 2016
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