- Blogs                                                   - Classifieds
   WordPress                                                 Noah's Classifieds
   Textpattern                                          - Social Networking
   NucleusCMS                                              elgg
   Geeklog                                                     Pligg
                                                                     BuddyPress
- Picture Galleries                                   - Live Chat
    Coppermine                                              phpFreeChat              Gallery                                                   X7Chat
- Website Builder                                      - Wiki
   concrete5                                                    MediaWiki
   Joomla                                                        DokuWiki
   Drupal                                                  
   PHP-Nuke
                                                                                                                         MODx
- eCommerce      
    OpenCart        Zen Cart      TomatoCart