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CmapToolsFreeplane
Free

Free to download, with the project funded partly by donations.

 Free

Free and open source under the GPL.

Windows, macOS, Linux, iOS Windows, macOS, Linux
  • Purpose-built for concept maps with labelled links
  • Desktop versions for Windows, macOS and Linux plus iPad
  • Attributes, conditional styles, filtering and scripting go well beyond drawing a diagram
  • Groovy scripting can generate or transform entire maps
  • Narrow focus on concept maps rather than general diagrams
  • Closed source
  • A dense interface with a real learning curve
  • Java Swing looks and feels out of place on every platform
Downloadable app Downloadable app
Closed source Open source
License not stated License: GPL-2.0
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.