Goran Petrovic

This utility plugin allow you to bookmark your site in admin bar.
This plugin is very useful if you have several, local or online, WordPress instalations.You can set up all sites admin bar, from one point.
So, you can jump fast from WP admin to WP admin.
Features
<ul>
<li>Fast jump from WP to WP </li>
<li>Global register sites</li>
</ul>

WP Jump

WPManiax

This plugin ads Metro style social share widget to your sidebar.
5 most popular social networks supported.
Metro Share Widget is super easy to install and configure.
More <a href="http://www.wpmaniax.com/metro-share-widget/" rel="nofollow ugc">screenshots and live sample</a> you can see on plugins’ home page
Main Features:
<ul>
<li>Easy to install and configure</li>
<li>Most popular social networks supported (Facebook, Twitter, Google Plus, LinkedIn, Reddit )</li>
<li>Fully responsive</li>
<li>Configure where to show (posts, pages, home)</li>
<li>Metro style elegant design</li>
</ul>
<h3>Feedback</h3>
http://www.wpmaniax.com/metro-share-widget/

Metro Share Widget

Add Metro style social share widget to your sidebar. 5 most popular social networks supported

WP Jump vs Metro Share Widget