PostNuke doesn't stand alone in the world it's part of a greater whole - the open source 
software movement. In creating the end result PostNuke utilises many other products. 
These credits cover the many other products used

* PHP
Just a few words to the people who developed PHP: Thanks folks you're the
best! PHP is easy to install, extremely easy to learn and use.
http://www.php.net

* MySQL
One of the best database software I've ever seen. Flexible and powerfull.
Thanks!!! for releasing it under GPL!!!
http://www.mysql.com

* Apache
What can I say? The best Web server software.
http://www.apache.org

* Linux
This software was made thanks to my love for Linux.
Linux is a registered trademark of Linus Torvalds

* ADODB
This is a database library we integrated in PostNuke, done by John Lim,
good work John!
http://php.weblogs.com/ADODB

* PhPLens free debug
We use for the debug window to trace, we can trace the SQLs, time to
render, ... Done by John Lim

* Smarty
 Smarty is a template engine for PHP.
http://smarty.php.net

* PHP Mailer
PHP Mailer is fully featured email transfer class for PHP 
http://phpmailer.sourceforge.net/
