Open source OpenInviterTM (Open InviterTM) is a free import contacts (addressbook) script from email providers like Interia, Virgilio, Canoe, Bigstring, Mail2World, Azet, Lycos, Grafitti, Doramail, Terra, Care2, AOL, Rediff, Clevergo, Inet, IndiaTimes, OperaMail, Nz11, Atlas, Inbox.com, Libero, Abv, O2, Web.de, Mynet.com, Uk2, Aussiemail, Walla, Xing, Bordermail, Meta, Hushmail, Zapakmail, Sapo.pt, LinkedIn, Gawab, GMail, MSN, KataMail, Plaxo, Apropo, GMX.net, Rambler, Wp.pt, Mail.com, Mail.ru, Yandex, Pochta, Evite, India, Mail.in, 5Fm, Netaddress, Live/Hotmail, Popstarmail, FastMail, YouTube, Techemail, Kids, Freemail, Yahoo! or social portals like Plazes, Motortopia, Koolro, NetLog, Ning, Twitter, Friendster, Lovento, Mevio, Flingr, Brazencareerist, Last.fm, Xanga, Hyves, Facebook, Livejournal, Meinvz, Hi5, Multiply, MySpace, Friendfeed, Plurk, Mycatspace, Vimeo, Flixster, Kincafe, Famiva, Konnects, Bebo, Cyworld, Perfspot, Tagged, Eons, Vkontakte, Badoo, Xuqa, Orkut, Faces, Flickr, Skyrock, Bookcrossing, Mydogspace, Fdcareer. This contacts importer script is integrating with content management systems (aka CMS) like myBB, JamRoom, Wordpress, PunBB, Etano, PHPMELODY, symfony, RoundCube, PhpBB, E107, phpFoX, vBulletin, Joomla1.0, Joomla, Social Engine, Vwebmail, Drupal, Dating Pro, jamit job, Atmail5, Boonex Dolphin, joovili, Buddy Zone, phpizabi, Social Engine 4, SimpleMachines Forum (SMF), nowFire. Open Inviter is written in PHP 5 (no database required but cURL or wget required) and running on any webserver (tested on Apache) offering advanced tell a friend features. OpenInviterTM is a free self hosted solution that does not use a third party gateway (or API) to import contacts.