StopSocial

The following buttots and widgets will be blocked:
— Facebook widgets
— Google +1
— VKontakte Share & Widgets
— Tweet buttons
— Odnoklassniki and Mail.ru
— Addthis, Sharethis, LinkedIn, Share42, Tweetmeme, Yandex.Share, etc.

Base blocking only uses Opera's Content Blocker, and advanced blockinng is based on CSS rules.

Please note that only the strict blocking can be switched off in per-site settings.