Papyrus (software)

Papyrus is an open-source UML 2 tool based on Eclipse and licensed under the EPL. It has been developed by the Laboratory of Model Driven Engineering for Embedded Systems which is a part of the French Alternative Energies and Atomic Energy Commission.
Papyrus can either be used as a standalone tool or as an Eclipse plugin. It provides support for domain-specific languages and SysML. Papyrus is designed to be easily extensible as it is based on the principle of UML Profiles.

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UML2

Papyrus is a graphical editing tool for UML2 as defined by OMG. Papyrus provides support for UML profiles. Every part of Papyrus may be customized: model explorer, diagram editors, property editors, etc.

SysML

Papyrus also provides a complete support to SysML in order to enable model-based system engineering. It includes an implementation of the SysML static profile and the specific graphical editors required for SysML.

UML-RT

A variant of Papyrus, Papyrus for Real Time, implements UML-RT, a domain-specific language designed for real-time embedded systems development. UML-RT is a UML-based variant of Real-Time Object-Oriented Modeling.