Pete Mall

<p>This plugins enables you to add the official <a href="http://blog.twitter.com/2010/08/pushing-our-tweet-button.html" rel="nofollow ugc">Tweet Button</a> from Twitter. It lets your users share links directly from the page they’re on. When they click on the Tweet Button, a Tweet box will appear — pre-populated with a shortened link that points to the item that they’re sharing.</p>


WP Tweet

Adds the official Tweet Button from Twitter.

CRUDLab

<p>WP Tweet Plus allows you to add tweet button on your wordpress blog.  You can add tweet Button homepage, specific pages and posts.</p>
<h4>Features</h4>
<ul>
<li>Tweet button for entire site or specific pages or posts. </li>
<li>Ability to add your own text or page/post title.</li>
<li>Three Types of button layouts.</li>
<li>Compatible with all type of themes. </li>
<li>Display tweet button with shortcode [wptweet]</li>
<li>Add tweet button anywhere using code snippet. </li>
<li>Display button at top or bottom of the page/post. </li>
<li>Support for multiple languages. </li>
<li>Support for Hashtags</li>
<li>ON/OFF Indication</li>
</ul>


WP Tweet Plus

WP Tweet Plus allows you to add tweet button to your Wordpress site.

WP Tweet vs WP Tweet Plus