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TriliumNext NotesSiYuan
Free

Free and open source under the AGPL 3.0.

 Freemium

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

Windows, macOS, Linux, Web, Self-hosted Windows, macOS, Linux, Android, iOS, Self-hosted
  • Cloning puts one note in several places without copying it
  • Rich text, code notes, canvases, Mermaid diagrams and relation maps
  • Block-level references and two-way links with custom attributes
  • SQL queries embedded inside notes for building your own views
  • Notes live in a database, not plain files, so lock-in is real
  • The interface is dense and takes a while to get comfortable with
  • 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, Self-hosted Downloadable app, Self-hosted
Open source Open source
License: AGPL-3.0 License: AGPL-3.0
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked September 21, 2026

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