Fantastico

Fantastico is the leading autoinstaller for cPanel servers and has the ability to quickly install or upgrade dozens of the leading open source content management systems into your web space. Some of the things you can easily install completely free of charge for your website are:

Blogs:

b2evolution
Nucleus
pMachine
WordPress

Portals/CMS:

Drupal
Geeklog
Joomla!
Mambo Open Source
PHP-Nuke
phpWCMS
phpWebSite
Post-Nuke
Siteframe
Typo3
Xoops

Customer Support:

Crafty Syntax Live Help
Help Center Live
osTicket
PerlDesk
PHP Support Tickets
Support Logic Helpdesk
Support Services Manager

Discussion Boards:

phpBB2
SMF

E-Commerce:

CubeCart
OS Commerce
Zen Cart

FAQ:

FAQMasterFlex

Guestbooks:

ViPER Guestbook

Image Galleries:

4images Gallery
Coppermine Photo Gallery
Gallery

Mailing List:

PHPlist

Polls and Surveys:

Advanced Poll
phpESP
PHPSurveyor

Project Management:

PHProjekt
dotProject

Wiki:

PhpWiki
TikiWiki