thomasdavis

Update: If you had trouble installing the plugin, please download the plugin zip from <a href="http://thomasalwyndavis.com/2010/09/socialsidebar-wordpress-plugin/" rel="nofollow ugc">here</a>
The plugin is custimizable and lets you change the icons if you have fancier ones.
For a more details and a screenshot view the site below
<a href="http://thomasalwyndavis.com/2010/09/socialsidebar-wordpress-plugin/" rel="nofollow ugc">Plugin Site</a>
An example of the plugin is on the right hand side of the page.

Social Sidebar

A popout menu for your website, simple to install and setup, shows social networking icons in a un-obtrusive way.

oneline

A Simple plugin which adds a widget to your wordpress admin widget area which you can then assign to the side bar etc… features are as follows:
Allows you to set your user / social ID’s 
Allows you to switch from icons or text links 
Allows you to turn social button / links on or off
Supported Social Sites:
Facebook 
Twitter 
Linkedin 
RSS

Easy Social Share

A Simple plugin which adds a widget to your wordpress admin widget area which you can then assign to the side bar etc...

Social Sidebar vs Easy Social Share