DBeaver - DBeaver - Universal Database Manager and SQL Client.
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.
Navicat - Powerful database management & design tool for Win, Mac & Linux. With intuitive GUI, user manages MySQL, MariaDB, SQL Server, SQLite, Oracle & PostgreSQL DB easily.
DeZign for Databases - Database design and modeling tool - DeZign for Databases.