MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
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.
DbVisualizer - DbVisualizer is the universal database tool for developers, DBAs and analysts.
HeidiSQL - HeidiSQL is a powerful and easy client for MySQL, MariaDB, Microsoft SQL Server and PostgreSQL. Open source and entirely free to use.
Vertabelo - Online tool for visual database design.
DBeaver - DBeaver - Universal Database Manager and SQL Client.