Nagmay

Based on twitpress by Tom Purnell. Adds the ability to choose which category will result in updates to your twitter account.
TwitCategory sends a tweet notifying your followers that a new post has been published on your blog. It is very customizable, allowing you to format the tweets using static text and several variables: title, post, permalink, guid and category name.
New versions also allow for URL shortening via tinyurl, isgd and bitly!
<h3>Upgrading</h3>
<ol>
<li>Click update from the WordPress plugin menu.</li>
</ol>
or
<ol>
<li>Click ‘Download’ on this page.</li>
<li>Deactivate the twitcategory plugin through the Plugins menu in WordPress Admin.</li>
<li>Upload twitcategory.php to your /wp-content/plugins directory, overwriting the previous version.</li>
<li>Fill in your twitter account information (be sure to re-enter your password), using the twitcategory configuration menu found in WordPress Admin.</li>
</ol>

TwitCategory

Based on twitpress by Tom Purnell. Adds the ability to choose which category will result in updates to your twitter account.

Jenny

twitter profile widgetWidget. Plugin shows your tweets on Page/Post/Widget area.
This plugin shows your twitter tweets under Sidebar Area (Widget), Post and/or Pages. It has also a feature that automatically refresh latest tweets. Also it has reply option inside widget on mouse over action. Admin panel option available under” Settings -> Ultimate Twitter Profile Widget” to set different color combination and twitter widget options.
Tags: twitter, twit, tweet, tweets, twitter widget, dynamic twitter widget, auto refresh tweet, twitter profile widget, sidebar twitter, twitter sidebar, twitter, twitter post, twitter tools, best twitter, Original Tweet profil, WP Tweet

Ultimate twitter profile widget

Ultimate twitter profile widget. Plugin shows your tweets on Page/Post/Widget area.

TwitCategory vs Ultimate twitter profile widget