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). 

RCRS

RCRS (the Refinement Calculus of Reactive Systems) is a compositional reasoning framework

S3D

Single-source design approach based on UML - MARTE