Alternatives to Gaphor

Modelling tool for UML, SysML, C4 and RAAML diagrams. The listings below can replace it for an important use case. Each note says what changes if you switch.

The original

Replacements

Listings that take over the same core job as Gaphor.

  • PlantUML

    Generates UML and architecture diagrams from text descriptions.

    PlantUML generates UML and architecture diagrams from text instead of a graphical model, and requires Java plus Graphviz for some diagram types.

  • Mermaid

    Generates diagrams from Markdown-like text.

    Mermaid draws diagrams from Markdown-like text that GitHub and GitLab render natively, but it keeps no shared model and gives limited layout control.

Similar software

Related functionality, not a direct replacement.