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Diagram DesignerLibreOffice Draw
Free

Freeware with source code under the MIT licence.

 Free

Free and open source as part of LibreOffice.

Windows Windows, macOS, Linux
  • Small 2 MB installer
  • Template palettes for flowcharts and UML
  • Handles diagrams through to 3D illustrations
  • Works with the other LibreOffice applications
  • Windows only
  • Dated interface and simple feature set
  • Installed as part of the full LibreOffice suite rather than separately
  • Less specialised than dedicated illustration programs
Downloadable app Downloadable app
Open source Open source
License: MIT License not stated
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked October 1, 2026

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