Modelio

Judgement

What it is

Developer tool

What it does

A desktop modelling tool for UML, BPMN, ArchiMate and TOGAF-style enterprise architecture, with scripting and XMI export.

Adopt it when

An architect wants a free, standards-based modelling tool for UML and enterprise architecture diagrams.

Watch out

GPL license and a dated Eclipse-style interface; some modules are commercial.

Ready for

Production-ready

Runs as

Desktop app

Built with

Java and Eclipse RCP

How established

Established: started 6 years ago, latest release v6.2.0.

What the license allows

Use inside your business is unrestricted, but anything you distribute that includes it must be released under the same license.

Judged on 2026-11-03 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Modelio → JDK → LLVM project → runs on a microchip

How compilers were built, back to punched paper tape

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