Allowing users to invite their contacts from other networks or e-mail providers is a popular method used in social networks & web applications.

OpenInviter is an open source PHP class, written in PHP5, for importing contacts from most of the well-known e-mail providers & social networks.

PHP Invite Class

Such an invite feature is great, specially when presented as optional, to gain new users/visitors to any service.

There are already ready to use integrations for:

  • Wordpress
  • Drupal
  • Joomla
  • phpBB & more.

OpenInviter supports:

  • Gmail
  • Windows Live
  • Yahoo
  • Mail.com
  • Facebook
  • Friendster
  • hi5
  • Linkedin
  • Twitter
  • Myspace & more..