OurPact - Parental Control for apps and devices
Cold Turkey - Cold Turkey is a free productivity program that you can use to temporarily block distractions so that you can get your work done!
FamilyTime - FamilyTime is one of the best parental controlling application and family tracking application and finder at the moment available over the internet.
Stay Focused - More suitable with Google Chrome, this service enables you ensure you do not waste precious time on updating Facebook status or chatting with people.
uProxy - Internet without borders. A safer path to Internet.
Freedom.to - Freedom is a productivity hack that lets you block apps, websites or the entire Internet on iPhones, iPads, Windows and Mac computers.