MySQL Workbench, erwin Data Modeler, SAP PowerDesigner, pgAdmin, DB Designer, DbVisualizer, dbForge Studio for MySQL, Toad Data Modeler, Postbird, Aqua Data Studio, SQL Power Architect, Vertabelo, QuickDBD, DbWrench, Open System Architect, dbdesigner.id, CloudBeaver, Database Designer for PostgreSQL, DeZign for Databases, Skipper, omnidb, ER/Studio Data Architect, dbDiffo, Invantive Studio are some alternatives to PgModeler.