BirdBrain Logic

Adds useful custom fields to your WordPress user profiles, allowing in depth user profiles to appear below the posts in your WordPress theme. Give your contributors the attention and credit they deserve with a featured biography and links to their social channels.
<h4>Features</h4>
<ul>
<li>Easy to setup in just 2 simple steps.</li>
<li>Seamlessly integrate author profiles throughout your WordPress website</li>
<li>Supports multiple authors</li>
</ul>
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Author Profile Plus

Supercharge your WordPress user profiles with Author Profile Plus

themefusecom

Perfect tool for webmasters to extend user profile options. With basic HTML knowledge it is posible to add more options to user profile (Ex: Social Networks links)
<pre><code>$meta = get_user_meta(get_the_author_meta( 'ID' ),'theme_fuse_extends_user_options',TRUE);

foreach( $meta as $key => $item )
{
 if ( $key == 'facebook' || $key == 'twitter' || $key == 'in') $tfuse_meta[$key] = $item;
}
</code></pre>
Key Features:
<ul>
<li>Standart Options (Facebook, Twitter, LinkedIN)</li>
<li>Other options for your user profile page.</li>
</ul>
Don’t forget to check our awesome <a href="http://themefuse.com" rel="nofollow ugc">WordPress Themes</a>

ThemeFuse Extend User Profile

Perfect tool for webmasters to extend user profile options.

Author Profile Plus vs ThemeFuse Extend User Profile