| Attribute |  OutlineOther license |  AppFlowyOpen source |  LogseqOpen source |
|---|---|---|---|
| Overview | |||
| Primary focus | Fast, real-time collaborative wiki and knowledge base for teams | Open-source, privacy-first Notion alternative you can self-host | Linked notes built from pages and blocks |
| Deployment | Self-hosted | Self-hosted | Not specified |
| Source model | Other license | Open source | Open source |
| Pricing model | paid | freemium | open source |
| API available | Not specified | Not specified | Not specified |
| Windows desktop | Not specified | Not specified | Not specified |
| Mobile app | Not specified | Not specified | Not specified |
| Overview | Outline is a team wiki and knowledge base with real-time collaborative editing, nested docs and search, sold as paid cloud plans with an optional self-hosted deployment. | AppFlowy is an open-source workspace app for docs and wikis, offered as a desktop app backed by hosted AppFlowy Cloud or a self-hosted AppFlowy Cloud deployment. | Logseq organizes knowledge through linked pages, blocks, references and queries. |
| Explore further | |||
| Vendor website | Visit vendor ↗ | Visit vendor ↗ | Visit vendor ↗ |
| ITHub profile | View full profile → | View full profile → | View full profile → |
OutlineOther licenseAppFlowyOpen sourceLogseqOpen sourceⓘ Confirm technical details and prices with each vendor before making a decision.