DBeaver - DBeaver - Universal Database Manager and SQL Client.
pgAdmin - pgAdmin Website
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
pgModeler - Open source data modeling tool designed for PostgreSQL. No more DDL commands written by hand. Let pgModeler do the job for you!
PSequel - A free PostgreSQL GUI Tool for Mac OS X
SAP PowerDesigner - SAP PowerDesigner: Enterprise Architecture tools for digital transformation success