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IcePanelOverarch
Freemium

Self-serve sign-up, with paid plans listed on the pricing page and demos for larger teams.

 Free

Free and open source under the EPL-1.0 license.

Web Command line
  • Built around the C4 model for software architecture
  • Interactive model rather than static drawings
  • Supports C4 and several UML diagram types
  • Separates architecture models from their views
  • Aimed at software teams rather than general diagramming
  • Online only with an account
  • Uses data files to define models and views
Web application Downloadable app
Closed source Open source
License not stated License: EPL-1.0
Account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked October 8, 2026

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