Opensource Web Site Software Worth Considering

Blogs

b2evolution
Nucleus
WordPress

Classifieds

Noahs Classifieds

Content Management

Drupal
Geeklog
Joomla 1.5
Joomla
Mambo
PHP-Nuke
phpWCMS
phpWebSite
Siteframe
TYPO3
Xoops
Zikula

Customer Relationship

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

Discussion Boards

phpBB
SMF

E-Commerce

CubeCart
OS Commerce
Ubercart
Zen Cart

F.A.Q.

FAQMasterFlex

Hosting Billing

AccountLab Plus
phpCOIN

Image Galleries

4Images Gallery
Coppermine Photo Gallery
Gallery

Mailing Lists

PHPlist

Polls and Surveys

Advanced Poll
LimeSurvey
phpESP

Project Management

dotProject
PHProjekt

Site Builders

Soholaunch Pro Edition
Templates Express

Wiki

TikiWiki CMS/Groupware
MediaWiki
PhpWiki

Other Scripts

Dew-NewPHPLinks
Moodle
Open-Realty
OpenX
PHPauction
phpFormGenerator
WebCalendar