Matthew Horne

Adds social media below your wordpress posts with defered Javascript for improved performance. 
Includes Twitter, Facebook like, google plus and Digg. This plugin adds the javascript to the bottom of the page and combined in to a single script. 
Styling included within the code so no extra CSS. The plugin is designed to be light and minimal and yet provide you with the same results as other social media plugins.

Social Media with defered Javascript

Adds Facebook Like, Twitter button, Google +1 and Digg button below posts.The javascript is defered so to improve performance on your site.

dkjicsow

This plugin for content by the visitor is in social networking

FoxyBookmark

For content by the visitor in social networks

Social Media with defered Javascript vs FoxyBookmark