Sudeep Acharya

This Plugin adds a widget functinality to your blog and you can place this widget in the Sidebar and link to your Social Media profile like Facebook and Twitter.
Currently this widget supports 11 Social Media including Rss and Email me option. This Plugin is easy to setup, you can configure the urls from Widgets option page. Also you have to include the full url including ‘http://’.
This Plugin supports the following Social Media: Facebook, Twitter, Google Plus, Linked In, Pinterest, YouTube, Instagram, Tumblr, Flickr, Rss and Email Me.

Beautiful Social Widget

With Beautiful Social Widget, you can link to your social media profile through Sidebar Widget.

LinksAlpha

Try the plugin at: http://sd.linksalpha.com
Shows links to your Social Networking profiles in a sidebar widget. Supported networks include:
<ol>
<li>Google +1</li>
<li>Facebook Like</li>
<li>Twitter button</li>
<li>LinkedIn </li>
<li>Pinterest</li>
<li>StumbleUpon</li>
<li>YouTube</li>
<li>About.me</li>
<li>Xing</li>
<li>foursquare</li>
<li>RSS</li>
</ol>
List of Features
<ul>
<li>Social Sharing Buttons.</li>
<li>Displays Social Buttons with count of activity.</li>
<li>Offers consistent UI: aligned buttons and uniform color selection.</li>
<li>Enables you to show links to your profile on 11 different Social Networks.</li>
<li>Automatically configure Facebook like and +1 button with your domain. </li>
</ul>
Manual positioning
For Manually positioning the Follow and Subscribe Sidebar Widget in your blog, place the below given code in the sidebar.php below div with id=”secondary” or any other file as you see appropriate in themes folder (…\wordpress\wp-content\themes). 
1. <code><?php lafs_widget_function();?></code>
Benefits
<ul>
<li>Automatic configured Facebook like and +1 button on your site/blog.</li>
<li>Keep your fans, followers, and connections automatically updated on your blog posts.</li>
<li>Expand your blog reach and save time.</li>
</ul>
Misc
<ul>
<li>For getting support, email us at: discuss@linksalpha.com</li>
<li>Note: We encourage you to download the latest version of the plugin as soon as it becomes available – as it may have additional extremely useful features for your blog.</li>
</ul>

Follow and Subscribe

Try the plugin at: http://sd.linksalpha.com

Beautiful Social Widget vs Follow and Subscribe