Service Links facilitates the adding of social networks links or javascript buttons within the content with a special focus on developers and themers interested to extend their number or customize their displaying. Built on Drupal for Drupal doesn't include commercial advertising or spying hidden code and doesn't require third part libraries.
The services included are various: del.icio.us, Digg, Facebook/Facebook Share/Facebook Like, Furl, Google Bookmark/Google Plus One, IceRocket, LinkedIn/Linkedin button counter, MySpace, Newsvine, Reddit, StumbleUpon, Technorati, Twitter/Twitter widget, Yahoo Bookmark, and many more, they are split for language in different packages: basque, dutch, farsi, german, hungarian, italian, polish, russian, spanish, swedish.
Other services are availables to be included within an extra module which can be built easily through a web interface.