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.

Nimrod Flores

GooglePlus Multi-Authorship provides a straightforward solution to properly add Google+ Authorship markup to the head of each post and page on a multi-authored site.
It follows the recommended use of the rel=”author” link tag to point to a Google+ profile as described in <a href="http://googlewebmastercentral.blogspot.com/2013/08/relauthor-frequently-asked-advanced.html" rel="nofollow ugc">this FAQ</a> on Google’s official webmaster blog.
<ul>
<li>It adds only the rel=”publisher” link tag on the home page, front page and archive pages</li>
<li>It adds both the rel=”author” and rel=”publisher” on single posts and pages.</li>
<li>The appropriate author’s Google+ profile is used for each single post and page.</li>
<li>You can set a default Google+ profile to be used as a fallback if there’s no Google+ profile specified for an author in his WP user profile settings.</li>
</ul>
For questions and support, please post them at the <a href="http://nimrodflores.com/googleplus-multi-authorship" rel="nofollow ugc">plugin page</a>. I can’t provide quick help if you post your questions in the forum as I am not always in the forums.

GooglePlus Multi-Authorship

GPMA provides a straightforward solution to properly add Google+ Authorship markup to the head of each post and page on a multi-authored site.

Beautiful Social Widget vs GooglePlus Multi-Authorship