Navicat Data Modeler - Navicat Data Modeler allows users to create a conceptual model from an existing database and edit the structure of the database easily.
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.
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.
Devart Studio for SQL Server - dbForge Studio for SQL Server is a powerful SQL Server GUI Tool for SQL Server database management, administration, development, datareporting and analysis.