SchemaSpy - SchemaSpy is a Java-based tool (requires Java 5 or higher) that analyzes the metadata of a schema...
DBeaver - DBeaver - Universal Database Manager and SQL Client.
DbSchema - DbSchema - Visual Database Design & Management Tool
DbVisualizer - DbVisualizer is the universal database tool for developers, DBAs and analysts.
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
DB Designer - fabFORCE.net Database Tools