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

Collaboro makes language development processes more participative: both developers and users of the language can collaborate together to create and evolve it.

Automatic Test Generation for Function Block Diagrams

EMFtoCSP is a tool for the automatic verification of UML or EMF models annotated with OCL constraints

Model-based Monitoring from Åbo Akademi (MBMÅA) tool
Model-based Performance Testing (MBPeT) tool

The open source modeling environment.

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

Performance-driven softwAre moDel Refactoring framEwork (PADRE) 

PauWare engine is a Java API, i.e., a set of Java classes and interfaces making up an execution engine for State Chart XML (SCXML) and UML State Machine Diagrams

S3D

Single-source design approach based on UML - MARTE