CHESS

CHESS implements the CHESS UML/SysML profile, a specialization of the Modeling and Analysis of Real-Time and Embedded Systems (MARTE) profile

EMF Views

EMF Views is an Eclipse plugin that brings the concept of database views to the modeling world

Modelio

The open source modeling environment.

Moka Extensions

Moka extensions provides a number of plugins that extend the functionality of Papyrus Moka engine for fUML simulation:

Papyrus extensions

 

Papyrus extensions offer a number of plugins that extend the functionality of Papyrus UML for Aspect Oriented Modeling (AOM). 

S3D

Single-source design approach based on UML - MARTE