Vertabelo - Online tool for visual database design.
pgModeler - Open source data modeling tool designed for PostgreSQL. No more DDL commands written by hand. Let pgModeler do the job for you!
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
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.
DbSchema - DbSchema - Visual Database Design & Management Tool