ShareCount is an open source script that count social shares. The counter sums up the number of sharings of an URL in Twitter, Facebook, Digg and Delicious.
Also, it saves space by providing the ability use each social network’s widget from the same button (that nicely toggles on hover).
The code of the script is pretty straightforward and it is easy to define new services.
Requirements: No Requirements
Compatibility: All Major Browsers