The following scripts can be auto-installed using 'Fantastico De Luxe' which is enabled on each PermaHOST Account. 

Installation procedure takes seconds and can be performed by novices without the need of setting up MySQL databases, importing structure, chmoding files and without the need of other tasks usually associated with installations.

Scripts can be updated automatically so you always have the latest version.

Blogs:

b2evolution

Nucleus

pMachine Free

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 (Commercial, needs license)

PHP Support Tickets

Support Logic Helpdesk

Support Services Manager

Discussion Boards:

phpBB2

SMF

YaBBSE

E-Commerce:

CubeCart

OS Commerce + buySAFE

Zen Cart

FAQ:

FAQMasterFlex

Guestbooks:

ViPER Guestbook

Hosting Billing:

AccountLab Plus (Commercial, needs license)

phpCOIN

Image Galleries:

4images Gallery

Coppermine Photo Gallery

Gallery

Mailing List:

PHPlist

Polls and Surveys:

Advanced Poll

phpESP

PHPSurveyor

Project Management:

PHProjekt

dotProject

Site Builders:

Soholaunch Pro Edition (Commercial, needs license)

Templates Express

Wiki:

PhpWiki

TikiWiki

Other Scripts:

Dew-NewPHPLinks w/Thumbshots

Moodle

Noah’s Classifieds

Open-Realty

phpAdsNew

PHPauction

phpFormGenerator

WebCalendar