Tech riderRev. 29 Sept 2026
- 1Runs onLinux, Mac, Windows
- 2CostsFree plan
- 3UML diagram typesClass, Component, Action, Sequence, Interaction, State Machine, Use Case, Deployment, Information Flow
- 4Code generationYes
- 5Team collaborationYes
- 6Deploymentdesktop
- 7Supported platformsWindows, macOS, Linux
- 8Model repositoryYes
8 lines stated Written from the maker's own pages: gaphor.org

Overview
Gaphor is ranked #5 of 24 in UML modeling software on Specifiction. It runs on Linux, macOS, Windows. There is a free plan.
Gaphor plans and pricing
All plansCompared on UML modeling software
- Free plan
- Yesgaphor.org
- UML diagram types
- Class, Component, Action, Sequence, Interaction, State Machine, Use Case, Deployment, Information Flowgaphor.org
- Code generation
- Yesgaphor.org
- Team collaboration
- Yesgaphor.org
- Deployment
- desktopgaphor.org
- Supported platforms
- Windows, macOS, Linuxgaphor.org
- Model repository
- Yesgaphor.org
Facts
- Purpose
- Gaphor is a modeling application for UML, SysML, RAAML, and C4 used to visualize and document applications and systems.gaphor.org · 29 Sept 2026
- Modeling standards
- Gaphor implements a fully compliant UML 2 data model and the UML, SysML, and RAAML OMG standards, and supports the C4 model.gaphor.org · 29 Sept 2026
- Diagram types
- It supports diagrams including Class, Interaction, State Machine, Block Definition, and Requirements diagrams, and lets users mix diagram items.gaphor.org · 29 Sept 2026
- Model styling
- Users can customize diagrams with a built-in styling engine.gaphor.org · 29 Sept 2026
- Extensibility
- Gaphor can be extended with plugins and users can access their own extensions through the GUI or CLI.gaphor.org · 29 Sept 2026
- Export
- Gaphor exports diagrams as SVG, PNG, PDF, or EPS and can batch-export every diagram in a model.docs.gaphor.org · 29 Sept 2026
- HTML reports
- It can generate a self-contained, static, interactive, read-only HTML report of a model that requires no server or backend to view.docs.gaphor.org · 29 Sept 2026
- Scripting
- Gaphor can be used as a Python library with scripts or Jupyter notebooks to inspect, generate, or update models.docs.gaphor.org · 29 Sept 2026
- Documentation integration
- Gaphor provides a Sphinx extension for embedding its diagrams in reStructuredText or Markdown documentation.docs.gaphor.org · 29 Sept 2026
- Support
- The project provides community contact through Matrix chat and accepts issue reports through GitHub.gaphor.org · 29 Sept 2026
- Windows distribution
- Windows users can download an installer or portable version, or install Gaphor with Winget.gaphor.org · 29 Sept 2026
- macOS requirement
- The download page says Gaphor requires macOS 10.15 or newer and provides ARM and Intel installers.gaphor.org · 29 Sept 2026
- Linux distribution
- The download page recommends Flatpak for Linux and also lists Arch and Debian/Ubuntu packages.gaphor.org · 29 Sept 2026
Best Gaphor alternatives
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Where it ranks on Specifiction
Is Gaphor yours?
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Sources
- gaphor.org· checked 29 Sept 2026
- docs.gaphor.org/en/latest/exporting.html· checked 29 Sept 2026
- docs.gaphor.org/en/latest/scripting.html· checked 29 Sept 2026
- docs.gaphor.org/en/latest/sphinx.html· checked 29 Sept 2026
- gaphor.org/download/· checked 29 Sept 2026
