PowerDesigner is an enterprise modeling tool from SAP.
PowerDesigner is an enterprise modeling tool from Sybase, an SAP company.
It runs on Windows, and allows modeling Data, Business Process, Object-Oriented system (using UML), XML schemas, Enterprise Architecture... It features code generation and reverse engineering and has a module to allow collaboration between several designers.
There is another module providing a Web interface.
It's quite extensible, allowing the definition of user-defined metaclasses, meta-attributes, meta-collections; or through an Automation interface.
In France, there used to be a version named PowerAMC, with support for the MERISE method. Now PowerDesigner has a French optional UI, and the Merise module is obsolete.