Database diagram / Reverse Engineering tools
List of database ER diagram (ERD) / schema visualization / reverse engineering tools for popular databases.
Dataedo enables you to create database documentation of your existing relational databases. It reads your schema and lets you easily describe each data element (tables and columns) and other database objects (like triggers, stored procedures, etc.) visually as ER diagrams.
PowerDesigner is the industry-leading business process / data modeling software and metadata management solution for data architecture, information architecture, and enterprise architecture.
ERD Concepts is an ERD tool combining professional diagramming with a light and pleasant user-interface. With ERD Concepts you can connect to almost any available database on the market today using ODBC and ADO connections. Using the advanced reverse engineering software you can create a new ERD diagram from an existing database.