Outline vs Puppyone
Comparing two open source alternatives to Notion. Use the comparison below to decide which one fits your needs.
Outline
The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.
Puppyone
Apache-2.0Open source local-first editor for Markdown, docs, rich files, and AI agents — with built-in terminal and Git review.
Side-by-side comparison
| Outline | Puppyone | |
|---|---|---|
| License | — | Apache-2.0 |
| Self-hostable | Yes | Yes |
| GitHub Stars | 40,522 | 743 |
| Forks | 3,553 | 73 |
| Open Issues | 79 | 8 |
| Last Commit | Sep 12, 2026 | Sep 12, 2026 |
| First Released | May 22, 2016 | Jun 29, 2026 |
| Categories | ||
| Tags | — |
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