Glue Labs

This plugin allows interaction with social network when specific actions in blog happen. As we do new realease we’ll add more features. 
It uses
Main Feature:
<ul>
<li>Publish on facebook dashborad using secret facebook mail that you can retrieve from www.facebook.com/mobile</li>
<li>Custom message to show</li>
<li>Option when publishing</li>
</ul>
FeedBacks and suggests are welcome

Glue Labs Social Publish

This plugin allows you to publish on you social network applications, like publishing 
directly on your facebook dashboard when you publish new post o …

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.

Glue Labs Social Publish vs WP-Share to XING