H. Peter Pfeufer

This plugins installs a sidebar widget to show you social profile-icons.
Features
<ul>
<li>Easy install</li>
<li>Panel for easy configuration</li>
<li>Sveral Icon Sets available</li>
</ul>
Languages
<ul>
<li>German</li>
<li>English</li>
<li>Serbo-Croatian</li>
</ul>

Social Profiles Sidebar Widget

Add a sidebarwidget for social profiles in you blog. Supports several sets of icons and three different iconsizes. 32, 64, and 128 Pixel.

rajiv-jyasha

Skype Addon is a wordpress plugin to add a skype call/chat button integration to page, post or even include in 
the theme file directly.

Skype Addon

Skype Addon is a wordpress plugin to add a skype call/chat button integration to page, post or even include in

Social Profiles Sidebar Widget vs Skype Addon