DBeaver - DBeaver - Universal Database Manager and SQL Client.
Vertabelo - Online tool for visual database design.
Postbird - Simple to use PostgreSQL GUI client
Longtion Application Builder - Longtion Application Builder is a tool for designing and developing database applications and Web...
pgAdmin - pgAdmin Website
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.