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draw.ioSimpleDiagrams
Free

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

 Paid

The website offers a seven-day trial; the Mac App Store edition is paid up front.

Windows, macOS, Linux macOS
  • Works entirely offline with files stored locally, so nothing is uploaded
  • Large shape libraries including AWS, Azure, Cisco and Kubernetes icon sets
  • Hand-drawn shape libraries cover several domains
  • Native Mac desktop interface
  • Electron, so it is heavy for a diagram editor
  • No real-time collaboration in the desktop build
  • Desktop app is available for Mac
Downloadable app Downloadable app
Open source Closed source
License: Apache-2.0 License not stated
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 21, 2026

Checked October 8, 2026

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