Wikipedia
PowerDesigner
SAP PowerDesigner (PowerDesigner) is a collaborative enterprise modelling tool produced by Sybase, currently owned by SAP. PowerDesigner runs under Microsoft Windows as a native application, and runs under Eclipse through a plugin. PowerDesigner supports model-driven architecture software design. PowerDesigner 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. PowerDesigner can also store models in a database repository.
PowerDesigner data modeling tool market share in 2002 was 39%. PowerDesigner is priced from $3,000 to $7,500 USD per developer seat.