Tammy Hart

<p>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 <code>invite_friends()</code> template tag or the <code>[invite_friends]</code> shortcode.</p>
<p><strong>IMPORTANT:</strong> This plugin will not allow invited friends to register unless you have registration turned on.</p>
<h4>Features</h4>
<ul>
<li>Invite multiple friends at one time</li>
<li>Customize the email subject and message that is sent</li>
<li>Customize the URL to redirect a user to after they register</li>
<li>Store successful registered users in the inviter’s user meta data</li>
<li>Store the inviter in the new user’s meta data</li>
</ul>


Invite Friends to Register

Use this plugin to allow users to invite their friends to register on your site.

Md Nurullah

<p>Your visitors can easily visit your Tsu profile and use it as your invitation to the network. You can optionally add a name to be displayed and choose different logo image.</p>
<h3>Features List : (100% Free)</h3>
<ul>
<li>Fully Responsive Design</li>
<li>Customizable Text</li>
<li>Easy Settings & Customization</li>
<li>Easy and user-friendly setup</li>
<li>Logo Uploader</li>
<li>Icon Uploader</li>
<li>Turn On/Off options</li>
<li>Works with any WordPress Theme</li>
<li>Works with any WordPress Version</li>
<li>WordPress Multi-site Supported</li>
<li>BuddyPress Supported</li>
<li>Woo-Commerce Supported</li>
<li>Full Free Plugin</li>
</ul>


Tsu Popup

Add your own tsu ( Social Network ) popup in any website.

Invite Friends to Register vs Tsu Popup