Compare software

Diagram Designerdraw.io
Free

Freeware with source code under the MIT licence.

 Free

Free and open source under Apache 2.0. The project states you can use it for any purpose…

Windows Windows, macOS, Linux
  • Small 2 MB installer
  • Template palettes for flowcharts and UML
  • Works entirely offline with files stored locally, so nothing is uploaded
  • Large shape libraries including AWS, Azure, Cisco and Kubernetes icon sets
  • Windows only
  • Dated interface and simple feature set
  • Electron, so it is heavy for a diagram editor
  • No real-time collaboration in the desktop build
Downloadable app Downloadable app
Open source Open source
License: MIT License: Apache-2.0
No account needed No account needed
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.