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OmniOutlinerLogseq
Paid

One-time purchase or subscription covering all Apple platforms, with a 14-day free trial.

 Freemium

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

macOS, iOS Windows, macOS, Linux, Android, iOS
  • Columns, including smart columns for calculations
  • Attachments inside outlines
  • Notes are plain Markdown files in a folder you control
  • Block-level linking and embedding, not just page links
  • Apple platforms only
  • Paid after the trial
  • 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 September 24, 2026

Checked September 21, 2026

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