Eclipse Papyrus is a modeling environment dedicated to UML and related modeling languages. It targets model-based engineering projects ranging from software design to systems engineering.
Papyrus offers both desktop and web-based tooling. Its modeling environment can be adapted with profiles, custom palettes, properties views, model explorers, graphical notations and other domain-specific facilities.
This is free and open source software.
Key Features
- Supports UML 2.5 modeling.
- Supports SysML and a range of related modeling standards.
- Class, object, package, component, deployment, activity, state machine, sequence, timing, use case and other UML diagrams.
- Custom UML profiles for domain-specific modeling.
- Graphical, textual and tabular editors.
- Customizable palettes, properties views and model explorers.
- Model execution, animation and simulation through complementary Papyrus technologies.
- Facilities for model-based analysis, testing and architecture exploration.
- Desktop and web-based modeling environments.
Website: eclipse.dev/papyrus
Support:
Developer: Eclipse Papyrus Team
License: Eclipse Public License v2.0

Eclipse Papyrus is written in Java. Learn Java with our recommended free books and free tutorials.
Related Software
| Unified Modeling Language tools | |
|---|---|
| Eclipse Papyrus | Edit models based on UML and related languages |
| PlantUML | Draw UML diagrams from simple textual description |
| Mermaid | Generate diagrams from markdown-like text |
| Umple | Create UML models textually |
| Modelio | UML and BPMN modeling environment |
| Gaphor | Simple UML and SysML modeling tool |
| Umbrello | UML Modeller based on KDE technology |
| UMLet | Java-based UML tool |
| JetUML | Sketch software design ideas with a minimum of fuss |
| Violet | Designed for people who need to produce simple UML diagrams |
| Dia | GTK+ based diagram creation software |
| crystal-facet-uml | Desktop UML and SysML modeling application |
| OpenPonk | Extensible workbench for UML, BPMN and other models |
Read our verdict in the software roundup.
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