GA

Gaphor

Gaphor is a free open source UML, SysML, RAAML, and C4 modeling application written in Python. It is designed to be easy to use while powerful, implementing a fully-compliant UML 2 data model for creating complex system models.
Latest: 3.3.2 Winget
Last checked: Jun 9, 2026 12:10am
Rank: 3590/15140
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Overview

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License: Apache-2.0Winget: Available

Version & Lifecycle

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Current: 3.3.2 N-2: 3.3.0 Avg cadence: Every 33 days

Top Contributors

Top sitewide contributors:

  1. Anbarasan
  2. nico_k
  3. Bob
  4. Vigneshwaran

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Release Notes & Updates

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Also known as

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gaphorgaphor gaphor

Packaging Notes

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Available for Windows, Linux, macOS; also has a portable version

Notes

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Latest major release is Gaphor 3.0 as of January 2025, with significant UI and modularity improvements.