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SiYuanInfoQube IM
Freemium

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

 Freemium

Proprietary software downloadable from the developer's site; the homepage does not detail…

Windows, macOS, Linux, Android, iOS, Self-hosted Windows
  • Block-level references and two-way links with custom attributes
  • SQL queries embedded inside notes for building your own views
  • Outliner, grid, Kanban, calendar and Gantt views over the same data
  • User-defined fields on any item
  • 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
  • Windows only
  • Broad feature set takes time to learn
Downloadable app, Self-hosted Downloadable app
Open source Closed source
License: AGPL-3.0 License: Proprietary
No account needed Not stated if an account is needed
Works offline Works offline

Checked September 21, 2026

Checked October 2, 2026

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