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.

Time Sink - Time Sink helps you track how you spend your time on your Mac.

FocusMe - With so much access to information and distractions on the internet, it's easy to get sidetracked.

Anti-Social - Anti-Social is a productivity application for Macs that turns off the social parts of the internet.

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!

Strict Workflow - Enforces the Pomodoro time management technique by blocking distracting sites