Compare software

IcePanelLikeC4
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 MIT License.

Web Web, Command line
  • Built around the C4 model for software architecture
  • Interactive model rather than static drawings
  • Generates diagrams from architecture models in code
  • Supports custom notation and nested model levels
  • Aimed at software teams rather than general diagramming
  • Online only with an account
  • Architecture definitions use LikeC4's own language
Web application Downloadable app, Web application
Closed source Open source
License not stated License: MIT
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.