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.
Tabbie - The missing tab manager for Chrome
Strict Workflow - Enforces the Pomodoro time management technique by blocking distracting sites
TabAttack - Export tabs as markdown - Make Chrome more efficient
ChatterBlocker - ChatterBlocker is the prime software to reduce the nearby conversation’s distraction that allows you to focus on your work.