DB Designer - fabFORCE.net Database Tools
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
Vertabelo - Online tool for visual database design.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
DeZign for Databases - Database design and modeling tool - DeZign for Databases.
Xataface - Xataface is an open source PHP framework for building PHP/MySQL applications in less time that with fewer lines of code that do more.