Portals/CMS

Zikula

Joomla

Geeklog

Drupal

Mambo

PHP-Nuke

Tiki Wiki CMS Groupware

SilverStripe

Website Baker

sNews

Pligg

MODx

Xoops

Typo3

Concrete5

phpwcms

e107

CMS Made Simple

Joomla 2.5

Drupal 6

Contao

ocPortal

Zazavi

PHP-Fusion

Silex

Saurus

jCore

Fork

Hotaru CMS

Mahara