Atomic vs Outline
Comparing two open source alternatives to Notion . Use the comparison below to decide which one fits your needs.
Atomic
MITA self-hosted personal knowledge base that turns markdown notes into an AI-augmented knowledge graph with semantic search and wiki synthesis.
Outline
The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.
Side-by-side comparison
| Atomic | Outline | |
|---|---|---|
| License | MIT | — |
| Self-hostable | Yes | Yes |
| GitHub Stars | 1,641 | 40,068 |
| Forks | 114 | 3,474 |
| Open Issues | 29 | 73 |
| Last Commit | Aug 9, 2026 | Aug 10, 2026 |
| First Released | Nov 25, 2025 | May 22, 2016 |
| Categories | ||
| Tags | — |
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