Conformiq Designer

Conformiq Designer is used in embedded software development to automate testing and speed up development in various industries

MATERA2

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

Modelio

The open source modeling environment.

RCRS

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