PostgreSQL Maestro!

DBeaver - Universal Database Manager and SQL Client. DBeaver is free and open source (GPL) universal database tool for developers and database administrators.

Adminer (formerly phpMinAdmin) is a full-featured database management tool written in PHP. Conversely to phpMyAdmin, it consist of a single file ready to deploy to the target server. Adminer is available for MySQL, PostgreSQL, SQLite, MS SQL and Oracle

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.

SQuirreL SQL is an open-source Java SQL Client program that will allow you to view the structure of a JDBC compliant database, browse the data in tables, issue SQL commands etc.

dbForge Data Compare for PostgreSQL is a table data comparison and synchronization tool, which allows you to detect data differences in compared PostgreSQL tables, generate data synchronization script and execute it to eliminate all the differences.

DbVisualizer is the universal database tool for developers, DBAs and analysts. It is the perfect solution since the same tool can be used on all major operating systems accessing a wide range of databases.

PostgreSQL is an absurdly powerful database, but there's no reason why using it should require an advanced degree in relational theory. Postico provides an easy to use interface, making Postgres more accessible for newcomers and specialists alike. Postico will look familiar to anyone who has used a Mac before. Just connect to a database and begin working with tables and views. Start with the basics and learn about advanced features of PostgreSQL as you go along.

Database .NET is an innovative, powerful and intuitive multiple database management tool.With it you can Browse objects, Design tables, Edit rows, Export data and run Queries with a consistent interface. A standalone tool that does not require installation.

Database browser is an universal table editor. This easy to use tool allows user to connect to any database and browse or modify data,run sql scripts, export, import and print data. And the most important thing it is Free-ware. Connect to any database and browse or modify data ,run sql scripts, export and print data. And the most important thing it is Freeware.

WinSQL is universal database management tool that can be used with any relational database to perform administrative tasks such as importing/exporting data, generating test data, reverse engineering an existing database, comparing schema and data between databases or simply running SQL queries. On one hand WinSQL provides advanced user powerful tools to help them manage their database, on the other hand several wizards in WinSQL help novice users to view and modify existing data on any relational database. »

RazorSQL is an SQL query tool, database browser, SQL editor, and database administration tool for Windows, Mac OS X, Linux, and Solaris.

SQL Workbench/J is a free, DBMS-independent, cross-platform SQL query tool. It is written in Java and thus it should run on any operating system that provides a Java Runtime Environment.

The SQL Power Architect data modeling tool was created by data warehouse designers and has many unique features geared specifically for the data warehouse architect. It allows users to reverse-engineer existing databases, perform data profiling on source databases, and auto-generate ETL metadata.