pgModeler - PostgreSQL Database Modeler!

Valentina Studio is a free multi-connection Database Administration tool that allows you to connect to SQL Server, PostgreSQL, Valentina Server and mySQL and work with local database files of Valentina DB and SQLite.

pgAdmin is the most popular and feature rich open source administration and development platform for PostgreSQL, the most advanced open source database in the world. The application may be used on Linux, FreeBSD, Solaris, Mac OSX and Windows platforms to manage PostgreSQL 7.3 and above running on any platform, as well as commercial and derived versions of PostgreSQL such as Postgres Plus Advanced Server and Greenplum database.

Navicat Data Modeler is a powerful and cost-effective database design tool which helps you build high-quality logical and physical data models. It allows you to visually design database structures, perform reverse/forward engineering processes, import models from ODBC data sources, generate complex SQL/DDL, print models to files, and much more.Simplify the task of creating complex entity relationship models and generate the script SQL with a simple click. Navicat Data Modeler supports various database systems, including MySQL, MariaDB, Oracle, SQL Server, PostgreSQL, and SQLite. »

This software is for all developers, database designers and for all who want to create and maintain their database structures effectively. Key features include: Entity relationship diagrams - Physical, Logical and Universal models. Support for various databases(Oracle, Microsoft SQL Server, MySQL, PostgreSQL, DB2...)Generation of SQL (DDL) scripts Reverse engineering Generation of Alter Scripts Model Update and Model Merge Gallery for storing frequently used parts of model Refactoring Utility Generation of detailed HTML and RTF documentationConversion from Logical to Physical modelSupport for UnicodeUNDO / REDOModeless dialogs, user-friendly GUI Editable forms, scriptable objects...Entity relationship diagrams - ER diagrams Using the graphically very well arranged Entity Relationship Diagrams (ER Diagrams) you can easily create and maintain your database structures. In your models you will have all the entities, attributes, domains, primary keys, foreign keys, constraints, relationships, indexes, descriptions, notes and other physical and logical data, laid-out in a transparent order. While creating models you will have a perfect view of all database elements. Triggers, Procedures, Views.... Toad™ Data Modeler supports Functions, Procedures, Triggers, Views, Packages, Package bodies, Object types, Object type bodies, Sequences and Synonyms etc.. »

erwin Data Modeler provides a collaborative environment to manage enterprise data though an intuitive, graphical interface. With a centralized view of key data definitions, you can leverage information as a strategic asset and more efficiently manage your data resources to save time and money.

PostgreSQL Maestro allows you to create, edit, copy, drop and dump all Postgres database objects. It is a PostgreSQL GUI admin tool working as a Postgres client for Windows. You can also design your PostgreSQL database as ER diagram, build queries visually, execute SQL queries and scripts, debug PL/pgSQL functions, view and edit data including BLOBs, represent data as diagrams, export and import data from CSV and other file formats, analyze your data summarized into multidimensional views and hierarchies (OLAP cubes), manage PostgreSQL roles, users, groups and privileges, and use a lot of other Postgres admin tools. »