oishikazuo

Self Shortener is a WordPress plugin to be able to handle URL shortening 
feature, by your WordPress site itself.
Self Shortener can:
<ul>
<li>create short URL using your site URL.</li>
<li>generate random short URL key, by specifying key length.</li>
<li>specify fix URL key instead of random generating.</li>
<li>handle I18N message. Currenly supports English and Japanese.</li>
</ul>
See http://giraffy.jp/products_en/wordpress/selfshortener/ . 
(In Japanese, http://giraffy.jp/products/wordpress/selfshortener/ )

Self Shortener

URL Shortener handled by your WordPress site itself.

Everaldo Canuto

Using this plugin you can heve different URL’s for your WordPress frontend and 
backend.
<h4>Credits</h4>
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>.

WP Domains

Just works

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

Self Shortener vs WP Domains