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SiYuanAppFlowy
Freemium

Most features are free, including for commercial use. The official cloud sync and assets…

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Windows, macOS, Linux, Android, iOS, Self-hosted Windows, macOS, Linux, Android, iOS
  • Block-level references and two-way links with custom attributes
  • SQL queries embedded inside notes for building your own views
  • Provides desktop and mobile clients with self-hosting options.
  • Notes live in the app's own store rather than plain files in a folder
  • The interface has a lot of concepts to learn at once
  • Cloud synchronization requires additional service setup or an account.
Downloadable app, Self-hosted Downloadable app
Open source Open source
License: AGPL-3.0 License: AGPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.