Database diagram / Reverse Engineering tools
List of database ER diagram (ERD) / schema visualization / reverse engineering tools for popular databases.
PowerDesigner is the industry-leading business process / data modeling software and metadata management solution for data architecture, information architecture, and enterprise architecture.
The Aqua Data Studio Entity Relationship Modeler (ER Modeler) helps you design physical database models for all major RDBMS vendors and versions. An ER diagram can be extracted from an existing database and its schema objects displayed as a model by using Tools->ER Diagram Generator in the Server Browser.
NODATA gives you the ability to design your physical and conceptual data models through entity-relationship notation. It allows you to represent your objects and to define relationships between them, so you can precisely define your objects structures and relationship for documentation or actual generation purposes.