MATERA2

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

Performance Exploration using Reinforcement Learning (PerfXRL) tool

MATERA2-Activity Diagram Conformance Tester

Modelio

The open source modeling environment.

RCRS

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