Dave Ligthart

Import users from vcard as subscribers. 
Works with populair websites such as linkedin and gmail.
Notable features:
<ol>
<li>Import users from vcards as subscribers to your website.</li>
<li>Import user contact data from populair websites such as linkedin and gmail.</li>
</ol>

WP-vCard

Import users from vcard file format. Works with populair websites such as linkedin and gmail.

apostylee

With this widget you can easyly add http://quup.com social profile information. You can customize widget for UserName, width, margin. Widget displays Avatar, Display Name and Follower, Following, quup counts.

quup vCard Widget

With this widget you can easyly add http://quup.com social profile information. You can customize widget for UserName, width, margin.

WP-vCard vs quup vCard Widget