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.

Kunal

Sharedom provides the user with responsive sharing buttons for Facebook, Twitter and Google+ (more in later upgrades) that share the current URL. It is really simple and light-weight and comes with a shortcode that can be dropped anywhere to instantly show the sharing buttons.

Sharedom

Responsive sharing buttons for sharing current URL to Facebook, Twitter and Google+

Beautiful Social Widget vs Sharedom