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FreeplaneHeimer
Free

Free and open source under the GPL.

 Free

The open-source software is available without a license fee. Hosting, hardware and…

Windows, macOS, Linux Windows, Linux
  • Attributes, conditional styles, filtering and scripting go well beyond drawing a diagram
  • Groovy scripting can generate or transform entire maps
  • Supports automatic layouts and image exports.
  • A dense interface with a real learning curve
  • Java Swing looks and feels out of place on every platform
  • It is a diagramming tool rather than a full document editor.
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: GPL-3.0
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked September 22, 2026

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