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TheBrainLogseq
Free

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

 Freemium

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

Windows, macOS, Linux Windows, macOS, Linux, Android, iOS
  • Ideas can link to many contexts without duplication
  • Long-developed product with a large user base
  • Notes are plain Markdown files in a folder you control
  • Block-level linking and embedding, not just page links
  • Network-style interface takes time to learn
  • Not open source
  • The database version is in beta and the project warns data loss is possible
  • Outliner structure does not suit long-form prose
Downloadable app Downloadable app
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 October 2, 2026

Checked September 21, 2026

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