The Eclipse QVT Operational component is an implementation of the Operational Mappings Language defined by Meta Object Facility™ (MOF™) 2.0 Query/View/Transformation™ (QVT™). In long term, it aims to provide a complete implementation of the operational part of the standard.
Operational QVT project provides a powerful Eclipse IDE:
The JDT project provides the tool plug-ins that implement a Java IDE supporting the development of any Java application, including Eclipse plug-ins. It adds a Java project nature and Java perspective to the Eclipse Workbench as well as a number of views, editors, wizards, builders, and code merging and refactoring tools. The JDT project allows Eclipse to be a development environment for itself.