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RemNoteSiYuan
Freemium

Free tier available, with paid plans unlocking AI features and higher limits.

 Freemium

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

Windows, macOS, Web Windows, macOS, Linux, Android, iOS, Self-hosted
  • Built-in spaced repetition turns notes into study material without a separate app
  • Works across web and native platforms
  • Block-level references and two-way links with custom attributes
  • SQL queries embedded inside notes for building your own views
  • AI-generated study features are gated behind paid plans
  • Combination of outlining and flashcards has a steeper learning curve than plain notes
  • 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
Downloadable app, Web application Downloadable app, Self-hosted
Closed source Open source
License not stated License: AGPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked September 21, 2026

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