ServiceComposer is a tool to develop composite Web services using the Model-Driven Architecture principles and UML 2 modeling language. More precisely, the modeling language used in a UML 2 profile called UML-S (UML for Services engineering). A class
Coral is a tool and a development platform to create and transform models and modeling languages. It can be used to edit UML models, to develop editors for other modeling languages and to implement MDA and QVT-like model transformations.