Dennis

<p>With this plugin registrations are only allowed if the user has an invitation code. This plugin is only for WordPress MU and is BuddyPress compatible.</p>


Invitation Code Checker

With this plugin registrations are only allowed if the user has an invitation code. This plugin is only for WordPress MU and is BuddyPress compatible.

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.

Invitation Code Checker vs Tsu Popup