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SiYuanTiddlyWiki
Freemium

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

 Free

Free and open source.

Windows, macOS, Linux, Android, iOS, Self-hosted Web
  • Block-level references and two-way links with custom attributes
  • SQL queries embedded inside notes for building your own views
  • Whole notebook is one portable HTML file
  • Non-linear notes that can be tagged and linked
  • 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
  • Saving a single-file wiki from a browser can need extra setup
  • The tiddler model takes time to learn
Downloadable app, Self-hosted Downloadable app, Web application
Open source Open source
License: AGPL-3.0 License not stated
No account needed No account needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 23, 2026

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