AFFiNE vs Outline
| Tagline | Privacy-first, local-first workspace combining docs, whiteboards, and databases | Fast, collaborative team knowledge base and wiki |
| Category | Notes & Knowledge Base | Notes & Knowledge Base |
| Replaces | Notion, Confluence, Obsidian | Confluence, Notion |
| GitHub stars | 73k | 41k |
| Language | TypeScript | TypeScript |
| License | MIT | BSL-1.1 |
| Self-host difficulty | 3/5 Moderate | 3/5 Moderate |
| Deploy options | Docker Docker Compose | Docker Docker Compose Manual |
| Managed hosting | ||
| Last updated | 2 days ago | yesterday |
| View repo | View repo |
Where each falls short
The honest trade-offs — what you give up with each, versus the proprietary tools they replace.
AFFiNE
- Self-hosted real-time sync (AFFiNE Cloud) has historically lagged the desktop/local experience and can be fiddly to configure.
- Smaller third-party integration and plugin ecosystem than Notion.
- Mobile apps are less mature than the desktop client.
- Some advanced AI and collaboration features are gated to the paid cloud tier.
Outline
- Requires an external SSO/OAuth provider for authentication, adding setup friction.
- No database/table views or relational data like Notion.
- Licensed under BSL (not fully open source / has usage restrictions).
- Fewer block types and no whiteboard/canvas features.
Bottom line
Both are a similar lift to self-host; choose AFFiNE for the larger community and ecosystem. Outline has seen more recent development. Open each guide below for deploy steps and the full feature gap.
AFFiNE
Privacy-first, local-first workspace combining docs, whiteboards, and databases