SAP PowerDesigner (or PowerDesigner) is a collaborative enterprise modelling tool produced by Sybase, currently owned by SAP. It can run either under Microsoft Windows as a native application or in an Eclipse environment through a plugin. It supports model-driven architecture software design, and stores models using a variety of file extensions, such as .bpm, .cdm and .pdm. The internal file structure can be either XML or a compressed binary file format. It can also store models in a database repository.
The PowerDesigner data modeling tool's market share in 2002 was 39%. It is priced from US$3,000 to $7,500 per developer seat.