YAHMAN

ZIPANG

Add a widget to display a short sentence.It will be displayed in the form of Twitter.Like the theme “P2”, logged-in users can post from the front end.

Brief Message

Add a widget to display a short sentence.It will be displayed in the form of Twitter.Like the theme "P2", logged-in users can post from the front end.

gentlesource

This plugin creates a short URL from the blog post permalink and stores it 
in the database. The URL is displayed below the blog post along with a link 
to twitter that passes the short URL on.
You can use all short URL services that offer an API. Here are a few:
<ul>
<li>http://melt.li/</li>
<li>http://lin.io/</li>
<li>http://unrelo.com/</li>
<li>http://bit.ly/</li>
<li>http://u.nu/</li>
<li>http://tinyurl.com/</li>
</ul>

GentleSource Short URL

Automatically shortens the blog post URL.

Brief Message vs GentleSource Short URL