oleksandr87

This is a plugin that allows you to run a small social network on the site. You can add friends and send them messages. Simply enter the [ousocialnetwork] shortcode in a post or page.

OU Social Network

This is a plugin that allows you to run a small social network on the site. You can add friends and send them messages.

H. Peter Pfeufer

This plugin will install a XING-Button, to share a link to your XING-Contacts, to your blog articles, pages, archives, categories and rss.
Features
<ul>
<li>Easy install</li>
<li>Panel for easy configuration</li>
<li>Config display locations (entries, pages, home page, archive, category)</li>
<li>Config position in content (before, both, shortcode)</li>
</ul>

WP-Share to XING

This plugin will install a XING-Button, to share a link to your XING-Contacts.

OU Social Network vs WP-Share to XING