Tab Manager Plus for Chrome - The only tab manager you'll ever need
Time Sink - Time Sink helps you track how you spend your time on your Mac.
Workona - A better way to work in the browser.
ChatterBlocker - ChatterBlocker is the prime software to reduce the nearby conversation’s distraction that allows you to focus on your work.
Toby - Better Than Bookmarks
Strict Workflow - Enforces the Pomodoro time management technique by blocking distracting sites