Fantastico allows you to install over 50 scripts with a click of a mouse!
Some of the scripts that are included, which is not all of the are: 4Images Gallery, AccountLab Plus, Advanced Poll, b2evolution, Coppermine Photo Gallery, Crafty Syntax Live Help, CubeCart, Dew-NewPHPLinks, dotProject, Drupal, FAQMasterFlex, Gallery, Geeklog, Help Center Live, Joomla, Mambo Open Source, Moodle, Noahs Classifieds, Nucleus, Open-Realty, osTicket, OS Commerce, PerlDesk, PHP-Nuke, phpAdsNew, PHPauction, phpBB2, phpCOIN, phpESP, phpFormGenerator, PHPlist, PHProjekt, PHPSurveyor, phpWCMS, phpWebSite, PhpWiki, PHP Support Tickets, pMachine Free, Post-Nuke, SMF, Soholaunch Pro Edition, Support Logic Helpdesk, Support Services Manager, Templates Express, TikiWiki, TYPO3, ViPER Guestbook, WebCalendar, WordPress, Xoops, and Zen Cart!