StayFocusd is a productivity extension for Google Chrome that helps you stay focused on work by restricting the amount of time ...

Focus is a Mac app that blocks distracting websites (like Facebook and Reddit) and applications, so you can improve your produ ...

LeechBlock is a simple free productivity tool designed to block those time-wasting sites that can suck the life out of your wo ...

SelfControl is a free and open-source application for Mac OS X that lets you block your own access to distracting websites, yo ...