Staruml License Open Source Or Proprietary Jun 2026

Licenses are generally perpetual for the version purchased, but upgrades to new major versions usually require a fee. Historical Open-Source Roots

Licenses are available for individual modelers or organizations, with specific site licenses for larger teams. Open Source Legacy and Forks staruml license open source or proprietary

Users can download and use the software for free during a trial period, but exported diagrams will contain watermarks. Licenses are generally perpetual for the version purchased,

To contextualize StarUML's licensing, here is a comparison with popular UML tools: staruml license open source or proprietary

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