Open Inviter - Import Contacts / AddressBook script

Open source OpenInviter (Open Inviter) is an import contacts (addressbook) script from email providers like Yahoo!, Rambler.ru, AOL, Live / Hotmail, Yandex, Mail.com, Mail.ru, GMX.net, GMail, Rediff, OperaMail, Lycos, KataMail or content management systems (aka CMS) like Drupal, PunBB, PhpBB, SimpleMachines Forum (SMF), Social Engine, JamRoom, Wordpress, Joomla or social portals like Orkut, Friendster, Myspace, Hi5, Twitter, Facebook, LinkedIn written in PHP 5 (no database required but cURL or wget required) and running on any webserver (tested on Apache) offering the basic tell a friend features.