PowerAMC is the French edition of PowerDesigner. It also includes some specific features, such as Merise Methodology, that are popular in French-speaking areas.
PowerDesigner is an all-in-one modeling and design solution for enterprises that need to build or re-engineer applications quickly, consistently and cost-effectively. PowerDesigner can assume a variety of roles and responsibilities across the enterprise. It offers advanced techniques to improve information system manageability, quality, integrity and performance.