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!
Time Sink - Time Sink helps you track how you spend your time on your Mac.
BlockSite - BlockSite is an extension, which automagically blocks websites of your choice.
ChatterBlocker - ChatterBlocker is the prime software to reduce the nearby conversation’s distraction that allows you to focus on your work.
Block Site Extension - This simple app lets you block websites to increase your productivity.
Strict Workflow - Enforces the Pomodoro time management technique by blocking distracting sites