This simple utility will help you to block websites on Mac temporarily. Anti-Social will be a boon for many users who like to control themselves viewing social networking sites like Facebook, Twitter and Google Plus. This simple utility helps you in blocking access to facebook and any other sites you specify for the hours you mention.
You can concentrate on your work thereafter without any disturbance or notification from your friends. I remember the saying “Work while you work and Play while you play” at this moment. You can download this freeware utility for mac os x platform from the official website.