Abhik

Advanced Author Bio automatically adds a short author bio box along with gravatar and social profile links in every single post of your blog. That isn’t all, it also:
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Enables the HTML formatting in author description field
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Adds Facebook profile field in author profile setup page
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Adds Google+ profile field in author profile setup page
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Adds Twitter profile field in author profile setup page
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Adds LinkedIn profile field in author profile setup page
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Adds Pinterest, YouTube, Flickr and StumbleUpon field in author profile setup page (Plugin Version 3.0 onwards)
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Shows the Social Profile link only if the field is populated. (Added on version 2.0, thanks to <a href="https://wordpress.org/extend/plugins/profile/viwickam" rel="ugc">viwickam</a>)
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Shows the Website if any Hompage URL is set at profile. (Added on version 2.0)
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Highly customizable author bio box (Needs the editing of supplied Stylesheet file).
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Shows the Author’s profile image from Gravatar depending on the author’s email.
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</ul>
A must have plugin for Multi Author Blogs.
Here is a live demo on my <a href="http://www.itsabhik.com/advanced-author-bio-wordpress-plugin/" rel="nofollow ugc">Plugin Homepage</a>. If you are find my plugins useful, add me in your circles on <a href="https://plus.google.com/106671843900352433725?rel=author" rel="nofollow ugc">Google +</a>. Don’t forget to visit my blog <a href="http://www.itsabhik.com" rel="nofollow ugc">ItsAbhikDotCom</a>.

Advanced Author Bio

Adds a short author bio after every single post on your blog. Also, enables HTML formatting tags in author description and adds Facebook, Twitter, Goo …

newbiesup

This plugin will automatically add an author box below the post/page. It also lets the author to enter and display their social profiles like Facebook, Twitter and Google+.
You can easily customize the appearance of the author box with native WordPress Customizer.
<h4>Features</h4>
<ul>
<li>No settings required. Just install and activate it.</li>
<li>Or you can customize its appearance with native WordPress Customizer</li>
<li>Author Avatar</li>
<li>Author Social Profiles</li>
</ul>

WP Author Box

Automatically add an author box below your post content, with social profile icons

Advanced Author Bio vs WP Author Box