Peter Wilson

Display your latest tweets in a WordPress widget without slowing your 
website.
The Rapid Twitter Widget doesn’t apply any styling to your website, giving 
you complete control over the look.
Tweets and your content are loaded separately to ensure a delayed response 
from Twitter doesn’t slow down your website.
Now compatibile with Version 1.1 of the Twitter API.
<a href="http://app.net/" rel="nofollow ugc">App.net</a> users might like the <a href="https://wordpress.org/extend/plugins/rapid-adn-widget/">Rapid ADN Widget</a>.
<h3>Development on GitHub</h3>
Development of this plugin is taking place in a 
<a href="https://github.com/peterwilsoncc/rapid-twitter-widget" rel="nofollow ugc">GitHub repository</a>.
Only tagged releases will be added to the WordPress.org svn repository.

Rapid Twitter Widget

Display tweets from one or more Twitter accounts using a WordPress widget. Compatible with version…

geilt

Enables a widget that will pull a twitter feed feed via API by Twitter @UserName and display them.
Since Twitter updated to v1.1 OAUTH, Twitter Application credentials are now required to be registered to authorize use of the Twitter API.
<a href="https://dev.twitter.com/apps/new" rel="nofollow ugc">Create an Application</a>
<a href="http://www.esotech.org/plugins/simpul/simpul-tweets/" rel="nofollow ugc">More Details</a>

Simpul Tweets by Esotech

Enables a widget that will pull a twitter feed feed via API by Twitter @UserName and display them.

Rapid Twitter Widget vs Simpul Tweets by Esotech