EMF Views
EMF Views is an Eclipse plugin that brings the concept of database views to the modeling world
Moka Extension for logging
Moka extensions provides a number of plugins that extend the functionality of Papyrus Moka engine for fUML simulation:
Papyrus extension for AOM
Papyrus extensions offer a number of plugins that extend the functionality of Papyrus UML for Aspect Oriented Modeling (AOM).
VeriATL
Fine-Grained Incrementality for Deductive Verification of Model Transformations (Online)