PostgreSQL is a powerful relational database management system (rdbms) that is similar to Ingres. PostgreSQL is an enhancement of the original POSTGRES database management system, a next-generation DBMS research prototype. While PostgreSQL retains the powerful data model and rich data types of POSTGRES, it replaces the PostQuel query language with an extended subset of SQL.
Sophisticated open-source Object-Relational DBMS supporting almost all SQL constructs, including subselects, transactions, and user-defined types and functions. Completely free database
Commercial support for the object-relational database management system, PostgreSQL, as well as full database hosting.
A GUI development tool for the Postgres Database Server is persented with screenshot, FAQ, download and costs. [Commercial].
Spatially enables the server, allowing it to be used as a backend spatial database for geographic information systems (GIS).
A searchengine for PostgreSQL-Documentation. Sample application for Tsearch2.
A stored procedure platform that provides Java and other object oriented language integration.
Graphical tool for PostgreSQL administration and development.
Client applications for Windows including native SQL terminal and backup tools, psql and pg_dump, for executing SQL scripts and accessing PostgreSQL servers remotely.
A relational database management system based on PostgreSQL. It adds compatibility and performance features.
An open source software project dedicated to the continual improvement of the relationship between Python and PostgreSQL.