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

MATERA2

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

Modelio

The open source modeling environment.

Modelio Constellation

Constellation organizes and manages collaborative (distributed) World Wide Modeling projects,