The following addon scripts are available to be installed within seconds:

InvisionBoard

InvisionBoard is a web bulletin board system.

phpBB

phpBB is a web bulletin board system.

PHP-Nuke

PHP-Nuke is an advanced content management system.

osCommerce

osCommerce is an easy to use and configure shopping cart system.

PostNuke

PostNuke is an advanced weblog/Content Management System (CMS).

Xoops

XOOPS is a dynamic OO (Object Oriented) based open source portal script written in PHP.

phpWebSite

phpWebSite provides a complete web site content management solution.

phpAuction

A PHP/MySQL-driven powerful and flexible web-based auction system that offers a powerful admin back-end section to configure and administrate the site.

livehelp

A live Help support chat system that allows the operators of the websites to monitor their visitors as they are browsing the site and proactively open a chat session with the visitor.

phpBook

phpBook is a PHP/MySQL guestbook program.

Noah's Classifieds

Higly customizable classified ad application that allows users to post advertisements to unlimited categories.

b2

b2 is a set of scripts designed to ease the process of publishing news to your homepage, or weblog.

phpAdsNew

phpAdsNew is an open source ad server.

phpCollab

Manage web projects with team collaboration, users management, tasks and projects tracking, files approval tracking, project sites clients access, customer relationship management (Php / Mysql, PostgreSQL or Sql Server).

4Images

4images is a powerful web-based image gallery management system.

pMachine

pMachine is publishing software which you can use to create everything from a simple weblog to a multi-layered interactive news site.

AdvancedPoll

Advanced Poll is a polling system with powerful administration tools.

OneOrZeroHelpDesk

The OneOrZero Helpdesk is an extremely powerful, yet lightweight, helpdesk package.

AardvarkTopsites

Aardvark Topsites PHP has all the features you will ever need

WebCalendar

WebCalendar is a PHP application used to maintain a calendar for one or more persons.

paFileDB

paFileDB lets you easily have a database of downloads on your website.

phpDig

PhpDig is a very small PHP search engine that uses a MySQL database on backend.

phpLinks

phpLinks is a free and Open Source PHP script that allows you to run a very powerful link farm or search engine simulation.

phpList

PHPlist is a web application that implements a personalised mailing list manager or customer relationship management (CRM) system.

phpMyFAQ

phpMyFAQ is a multilingual, completely database-driven FAQ-system.

phpSupportTickets

Manage customer queries with this one stop solution for online customer relations.