Everaldo Canuto

<p>Using this plugin you can heve different URL’s for your WordPress frontend and<br />
backend.</p>
<h4>Credits</h4>
<p>This plugin is created by <a href="https://twitter.com/ecanuto" title="Everaldo Canuto" rel="friend nofollow ugc">Everaldo Canuto</a>  with sponsorship from <a href="http://nuveo.com.br/" title="Nuveo" rel="friend nofollow ugc">Nuveo</a>.</p>


WP Domains

Just works

Use different domains for backend (admin) and frontend on Wordpress.

Nerd Warehouse

<p>Allow users to check domain name availability directly from your website.  Availability is shown without redirecting users.  With the use of widgets you can add the domain search to multiple locations on your website.  You can also quickly check domain availability yourself using the admin dashboard widget.  This plugin is multisite compatible and free.</p>
<p>WordPress Domain Search is powered by <a href="http://www.nerdwarehouse.com/" title="Best WordPress Hosting" rel="nofollow ugc">NerdWarehouse.com</a>.  Nerd Warehouse is a low-cost domain registrar and hosting provider that specializes in <a href="https://www.nerdwarehouse.com/products/wordpress" rel="nofollow ugc">WordPress Hosting</a>.  Data centers in the United States, Europe, and the Asian-Pacific support our massive cloud hosting network and we offer localized 24/7 phone support.</p>


WordPress Domain Search

This plugin allows you to create domain search widgets and check domain availability from the admin dashboard.

WP Domains vs WordPress Domain Search