CHESS implements the CHESS UML/SysML profile, a specialization of the Modeling and Analysis of Real-Time and Embedded Systems (MARTE) profile
Conformiq Designer is used in embedded software development to automate testing and speed up development in various industries
Moka extensions provides a number of plugins that extend the functionality of Papyrus Moka engine for fUML simulation:
Papyrus extensions offer a number of plugins that extend the functionality of Papyrus UML for Aspect Oriented Modeling (AOM).
RCRS (the Refinement Calculus of Reactive Systems) is a compositional reasoning framework