The Eclipe Eiffel Development Tools (EDT) are a set of plugins which eventually implement a full-fledged, highly integrated Eiffel development environment based on the Eclipse Platform. The EDT plugins contribute a number of facilities specific to Eiffel
Reflective Ecore Model Diagram Editor is a GMF based Eclipse plugin which provides a graphical editor for any EMF model file, using only the meta-model such as .ecore and .xsd file. You don't need any .gmfgraph, .gmftool, .gmfmap, or .gmfgen files.
This is a useful Java libraries/frameworks & code samples project provided by Ouobpo. Ouobpo stands for Ouvroir de Objet Potentielle, or a workshop of potential objects.
ezContract contains a Java library and a Java bytecode instrumentor to support Design by Contract in the Java language.
M3Actions is a framework to define operational semantics in MOF metamodels. It provides a graphical action language to define model behaviour, a simulator, debugger and execution trace recorder, build on top of eclipse modeling projects (EMP).