OpenKnowledge vs Outline
Comparing two open source alternatives to Notion. Use the comparison below to decide which one fits your needs.
OpenKnowledge
GPL-3.0AI-native, local-first markdown editor and LLM wiki with built-in integrations for Claude, Codex, and other agents.
Outline
BSL-1.1The fastest growing-team knowledge base — beautiful, realtime collaborative, feature packed, and markdown compatible Notion and Confluence alternative.
Side-by-side comparison
| OpenKnowledge | Outline | |
|---|---|---|
| License | GPL-3.0 | BSL-1.1 |
| Self-hostable | Yes | Yes |
| GitHub Stars | 4,309 | 40,693 |
| Forks | 285 | 3,585 |
| Open Issues | 48 | 77 |
| Last Commit | Sep 24, 2026 | Sep 24, 2026 |
| First Released | Jun 3, 2026 | May 22, 2016 |
| Categories | ||
| Tags |
GitHub stars over time
GitHub stars over time
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