AddThis

When it comes to bookmarking AddThis is #1. Main attraction of AddThis is its simplisity. User needs to follow only 3 steps to get the AddThis code.

1.Go to http://www.addthis.com/

2.Select any button of the choice from http://www.addthis.com/web-button-select

3.Copy the code and paste in your web page.

4.Finished

It supports about 290 services and about 50 languages.