Every one in hosting are aware of Fantastico which is available with Cpanel (Linux Hosting).

However most people do not know about the scripts available with Plesk control Panel.

It also comes up with a list of Scripts may 60 odd which are similar to Fantastico Scripts.

Here are a Few to start with:

B2evolution, Cubecart, Drupal,Help Center Live, Joomla, Mambo, OsCommerce, PhpBB, WordPress, Xtcommerce.

Details for the same are available here Scripts with Plesk

Regards,