PostgreSQL -  .

About.com on Postgres - - Provides feature articles, net links, forum discussions and a chat room.

Adding XML - - Tools to enable XML support.

Databases: As The Tables Turn - - Tim Perdue article about porting sourceforge code from MySQL to PostreSQL.

dbengine - - A plug 'n play Web interface for PostgreSQL and Oracle.

Embedding R in Postgres - - The REmbeddedPostgres package allows you to embed the R interpreter in Postgres and use R functions as if they were built-in SQL functions.

GUI tool for PostgeSQL - - PGExplorer is a GUI development tool for the Postgres Database Server [commercial].

Guide to Version 7.x Development and Configuration - - A side by side comparison to Oracle 8i that can also be read as a stand alone document.

Interactive SQL - - GUI tool for creating SQL queries and managing PostgreSQL databases [commercial].

Java JDBC - - Drivers, documentation, and tutorials.

MySQL PHP to PostgresSQL - - A program that takes a php page that uses mysql calls and changes them into Postgres calls.

Native PostgreSQL Frontend for Windows - - Client applications for Windows including native SQL terminal and backup tools, psql and pg_dump, for executing SQL scripts and accessing PostgreSQL servers remotely.

NuSphere UltraSQL - - NuSphere UltraSQL is a native Windows port of popular PostgreSQL database. Commercial.

OCaml - - OCaml bindings that allow access to Postgres from the OCaml programming language. [Open Source, LGPL.

Octave-pg - - Octave modules to access PostgreSQL.

Oracle v. Postgres - - Forum discussion comparing Oracle and Postgres.

Performance Tuning PostgreSQL - - This article aims to help demystify PostgreSQL database performance tuning.

PGAda - - PostGreSQL bindings for Ad.

PGCup - - PGCup is a simple Java PostgreSQL administration tool. Currently under development and seeking volunteers. [Berkeley/BSD].

pgHoster - PostgreSQL Web Hosting & Consulting - - pgHoster is a PostgreSQL-oriented web hosting companies. Featured on the PostgreSQL.org website.

PhpPgAdmin - - Feature list and downloads for a web-based administration tool.[Open Source, GPL.

PL-J - - A stored procedure platform that provides Java and other object oriented language integration.

PostGIS: Geographic objects for PostgreSQL - - Spatially enables the server, allowing it to be used as a backend spatial database for geographic information systems (GIS).

Postgres on Redhat7.0 - - Article from PHPBuilder on obtaining packages, installing and configuring.

PostgresDAC - - Borland Delphi/C++Builder component set for direct access to PostgreSQL without BDE or ODBC.

PostgresPy Project - - An open source software project dedicated to the continual improvement of the relationship between Python and PostgreSQL.

The PostgreSQL Advocacy and Marketing Site - - Case studies, advantages, and a contact request form. Designed for CIOs, CTOs, and CEOs.

PostgreSQL Autodoc - - Automated creation of PostgreSQL documentation in Dia, Docbook, HTML, and GraphViz formats.

PostgreSQL based relational database - - EnterpriseDB is a relational database management system based on PostgreSQL. It adds compatibility and performance features.

PostgreSQL College - - A series of free Macromedia Flash courses teaching aspects of PostgreSQL, including sequences and referential integrity.

The PostgreSQL EOAdaptor - - For WebObjects and Enterprise Object Framework (EOF) from Apple. Runs on NeXT, Windows, Apple, Sun.

PostgreSQL Inc. - - Commercial support for the object-relational database management system, PostgreSQL, as well as full database hosting.

Postgresql Korean Users' Group - - Official Homepage of PostgreSQL Korean Users' Group. This site contain documents, patches, user's profiles of PostgreSQL korean users.

PostgreSQL Manager - - Graphical tool for PostgreSQL administration and development.

PostgreSQL Module for Python - - Python module that embeds the PostgreSQL query library.

PostgreSQL Performance Tuning - - Information on how to tune and generally get good performance from PostgreSQL.

PostgreSQL Technical Documentation - - Contains community contributed documentation, CBT (Computer Based Training) tutorials, installation guides, technical guides, support contracts, lists of hosting providers, and additional resources.

PsqlODBC - - ODBC driver for Windows. Site includes download, mailing list, documentation, and FAQs.

pyPgSQL - - A Python library for accessing PostgreSQL databases that conforms to the Python DB-API version 2.

Recursive functions in PostGreSQL PGSQL - - An example of how to display a recursive tree in pgsql.

Red Hat Database - - A version of Postgres that has been optimized for the Red Hat Linux distribution.

A Review by Paragon Corporation - - Article that focuses on features that make PostgreSQL different from most relational database management systems.

Ruby Extension Library - - Allows access to Postgres from the Ruby Object Oriented scripting language.

Search PostgreSQL Sites - - A searchengine for PostgreSQL-Documentation. Sample application for Tsearch2.

Tsearch2 - - Implementation of a new data type tsvector - a searchable data type with indexed access. Documentation and download.

XPg: PostgreSQL GUI on Java - - XPg is an object-oriented platform-neutral editor with a full featured graphical user interface that supports connections to multiple databases [Open Source : GPL].