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LogseqTheBrain
Freemium

The app is free and open source under the AGPL 3.0. Logseq Sync is a paid service, and…

 Free

The desktop app is free according to the developer's site.

Windows, macOS, Linux, Android, iOS Windows, macOS, Linux
  • Notes are plain Markdown files in a folder you control
  • Block-level linking and embedding, not just page links
  • Ideas can link to many contexts without duplication
  • Long-developed product with a large user base
  • The database version is in beta and the project warns data loss is possible
  • Outliner structure does not suit long-form prose
  • Network-style interface takes time to learn
  • Not open source
Downloadable app Downloadable app
Open source Closed source
License: AGPL-3.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked October 2, 2026

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