NeoEMF

NeoEMF is a project that aims at handling large EMF models in an efficient and scalable way.

PADRE

Performance-driven softwAre moDel Refactoring framEwork (PADRE) 

PauWare

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