Eclipse Sphinx™ provides a modeling tool platform for Eclipse that eases the development of IDE-like tool support for modeling languages used in software and systems development.
The goal of Eclipse Graphiti™ is to support the fast and easy creation of graphical tools, which can display and edit underlying domain models using a tool-defined graphical notation.
Eclipse EMF Compare brings model comparison to the EMF framework, this tool provides generic support for any kind of metamodel in order to compare and merge models.