UML

JetUML – create and edit UML diagrams

JetUML is a lightweight desktop application for interactively creating and editing diagrams in the Unified Modeling Language.

JetUML supports the sketching of software design ideas with a minimum of fuss. Diagrams can be saved in JSON, exported to popular image formats, and copied to the system clipboard for integration with other tools. Supports class diagrams, sequence diagrams, state diagrams, object diagrams, and use case diagrams.

JetUML stores diagrams in JSON notation using a format specified using JSONSchema Version 2020-12. There is one format for each diagram type. These formats follow the same design and only vary in the types of nodes and edges involved.

This is free and open source software.

Website: github.com/prmr/JetUML
Support:
Developer: Martin Robillard
License: GNU General Public License v3.0

JetUML in action
Click image for full size

JetUML is written in Java. Learn Java with our recommended free books and free tutorials.


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Read our verdict in the software roundup.


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