Eclipse Papyrus™ provides an integrated, user-consumable environment for editing any kind of EMF model and particularly supporting UML and related modeling languages such as SysML and MARTE.
The Eclipse Ecore Tools component provides a complete environment to create, edit and maintain Ecore models. This component eases handling of Ecore models with a Graphical Ecore Editor and bridges to other existing Ecore tools (Validation, Search, Compare, Emfatic, generators...). The Graphical Ecore Editor implements multi-diagram support, a custom tabbed properties view, validation feedbacks, refactoring capabilities...
The Eclipse Extended Editing Framework is a presentation framework for the Eclipse Modeling Framework. It allows user to create rich user interfaces to edit EMF models.