Papyrus is a dedicated tool for modelling within UML2. This open source tool is based on the Eclipse environment.

Key features:

* Eclipse UML2 compliance
* Full respect of the UML2 standard as defined by the OMG
* Full respect of the DI2 (Diagram Interchange ) standard
* Extendable architecture of Papyrus that allows users to add new diagrams, new code generators, etc.
* Profile development support facilities for UML2 profiles
* Nested profiles support
* OCL constraints in profile descriptions