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CherryTreeInfoQube IM
Free

Free and open source under the GPL.

 Freemium

Proprietary software downloadable from the developer's site; the homepage does not detail…

Windows, Linux Windows
  • Hierarchical nodes, so deep structures stay organised rather than flat
  • Rich text and syntax-highlighted code in the same document, including codeboxes
  • Outliner, grid, Kanban, calendar and Gantt views over the same data
  • User-defined fields on any item
  • No official macOS build
  • No built-in sync; you supply Syncthing, Nextcloud or similar
  • Windows only
  • Broad feature set takes time to learn
Downloadable app Downloadable app
Open source Closed source
License: GPL-3.0 License: Proprietary
No account needed Not stated if an account is needed
Works offline Works offline

Checked September 21, 2026

Checked October 2, 2026

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