| Attribute |  ObsidianOther license |  NotionOther license |  LogseqOpen source |  AppFlowyOpen source |
|---|---|---|---|---|
| Overview | ||||
| Primary focus | Local-first Markdown note-taking app with a plugin ecosystem | Docs, wikis, and project work in one workspace | Linked notes built from pages and blocks | Open-source, privacy-first Notion alternative you can self-host |
| Deployment | Not specified | Web | Not specified | Self-hosted |
| Source model | Other license | Other license | Open source | Open source |
| Pricing model | freemium | freemium | open source | freemium |
| API available | Not specified | Yes | Not specified | Not specified |
| Windows desktop | Not specified | Yes | Not specified | Not specified |
| Mobile app | Not specified | Yes | Not specified | Not specified |
| Overview | Obsidian is a local-first note-taking app that stores notes as plain Markdown files, extensible through a large community plugin ecosystem, free for personal use with paid Sync, Publish and commercial-license add-ons. | Notion combines pages, team wikis, task tracking, and flexible databases for organizing shared information and projects. | Logseq organizes knowledge through linked pages, blocks, references and queries. | 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. |
| Explore further | ||||
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ObsidianOther licenseNotionOther licenseLogseqOpen sourceAppFlowyOpen sourceⓘ Confirm technical details and prices with each vendor before making a decision.