miniEMF. Light "EMF Framework like" that convert an Ecore DataModel in C++11/QT. Easy to load/write an XMI or to create a model from scratch. A script can be used to generate the C++ classes corresponding to any Ecore. Easy to integrate in with an UndoStack. Can be used to manage any type of Data that follows an Ecore diagram. (e-opposite are updated automatically)