WordPress.org

This plugin adds a page to the admin under Users that includes a form for users to send email invitations to their friends to register at your site. You can also add the form to the front end of your site with the invite_friends() template tag or the [invite_friends] shortcode.

IMPORTANT: This plugin will not allow invited friends to register unless you have registration turned on.

Features

• Invite multiple friends at one time
• Customize the email subject and message that is sent
• Customize the URL to redirect a user to after they register
• Store successful registered users in the inviter's user meta data
• Store the inviter in the new user's meta data