Database diagram / Reverse Engineering tools
List of database ER diagram (ERD) / schema visualization / reverse engineering tools for popular databases.
Xcase sophisticated visual interface helps you quickly design an accurate database by capturing every detail of your customer’s business information world. It provides complete and accurate reverse and forward engineering capabilities that transform your existing database into presentation quality diagrams.
SQuirreL SQL Client is a database administration tool. It uses JDBC to allow users to explore and interact with databases via a JDBC driver. One of the nicest features is that it can generate an Entity-Relationship diagram from an existing database schema
MagicDraw is the award-winning business process, architecture, software and system modeling tool with teamwork support. It includes entity-relationship diagram, SQL database modeling/diagramming and DDL script generation/reverse features.
DbVisualizer is a simple tool to generate ER diagram if you have existing database on system. It is aimed to simplify database development and management for database administrators and developers.