leanderlindahl

This plugin will create an authorbox widget that you can place in a sidebar. The widget displays the users gravatar, biographical info and icons linking to Facebook, Twitter, LinkedIn and Google Plus.
Edit the users profile page and provide the necessary information. The social media links should be full URL:s, i e 
http://www.facebook.com/joe-smith 
http://www.twitter.com/joe-smith

Social Author Box

Creates an "Author Box" Widget with the author's picture, bio and social media links.

Dean Williams

This plugin adds an author box to the ends of your posts, with your gravatar / avatar, your name, your website and description and optional social media links including facebook, twitter and google+.
This authorbox is also built to work with the AMP plugin – Accelerated Mobile Pages.
This plugin can fully replace Guerrilla’s Author Box
The following input boxes exist:
<ul>
<li>twitter</li>
<li>facebook</li>
<li>google+</li>
<li>linkedin</li>
<li>dribbble</li>
<li>github</li>
</ul>

Advanced Author Box

Add an author box to your posts, with your avatar, name, url and description with optional social media links. Supports AMP plugin - Accelerated Mobil …

Social Author Box vs Advanced Author Box