Open source OpenInviterTM (Open InviterTM) is an free import contacts (addressbook) script from email providers like Netaddress, Inbox.com, KataMail, Zapakmail, Care2, Bigstring, Popstarmail, Sapo.pt, IndiaTimes, Virgilio, Abv, O2, Mail.com, Freemail, GMail, Gawab, AOL, FastMail, GMX.net, Doramail, Yandex, Walla, Atlas, Libero, Hushmail, OperaMail, Aussiemail, Rambler, LinkedIn, Yahoo!, Bordermail, Meta, Rediff, Inet, Lycos, Mail.in, Azet, Mail2World, Techemail, Clevergo, Apropo, 5Fm, Kids, Mynet.com, Interia, Grafitti, Evite, Live/Hotmail, Nz11, Mail.ru, Canoe, Pochta, Web.de, Wp.pt, Uk2, Terra or social portals like Livejournal, Faces, Bookcrossing, Hyves, Hi5, Motortopia, Perfspot, Brazencareerist, Friendfeed, Bebo, Flingr, Mevio, Flixster, Koolro, Multiply, Xanga, Famiva, Last.fm, Konnects, Skyrock, MySpace, Xing, Orkut, Facebook, Plurk, Xuqa, Lovento, Cyworld, Mycatspace, Vimeo, Flickr, Twitter, Badoo, Meinvz, Ning, Plaxo, Eons, Vkontakte, Mydogspace, Friendster, NetLog, Kincafe, Plazes, Fdcareer, Tagged. This contacts importer script is integrating with content management systems (aka CMS) like Buddy Zone, myBB, vBulletin, phpFoX, Dating Pro, Wordpress, PHPMELODY, Joomla, PunBB, Drupal, jamit job, nowFire, Social Engine, Joomla1.0, phpizabi, PhpBB, Boonex Dolphin, joovili, SimpleMachines Forum (SMF), JamRoom, symfony. 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.