Garth Gutenberg

Lets you display a twitter feed in a sidebar widget. 
Caches last successful tweet retrieval and only updates if it successfully gets a new list from Twitter. 
Practically every element has a unique class so that it’s highly customizable via CSS.
There are various configuration options including:
<ul>
<li>Title</li>
<li>Twitter Username</li>
<li>Max Tweets to Display</li>
<li>HTML to override the View All link</li>
<li>Time Placement (whether or not the timestamp should appear before or after the tweet)</li>
<li>Time Format (uses PHP’s date() function for formatting)</li>
</ul>

GG Twitter

solomon_s_scott

This plugin creates a responsive widget that displays up to eight different social media websites. (Not all 8 are required)
<ol>
<li>Facebook</li>
<li>Twitter</li>
<li>Google+</li>
<li>YouTube</li>
<li>LinkedIn</li>
<li>Instagram</li>
<li>Pinterest</li>
<li>Tumblr</li>
</ol>

Round Social Media Buttons

Provides a responsive social media widget that displays up to eight different social media websites.

GG Twitter vs Round Social Media Buttons