What are some alternatives?
When comparing YouTube Time Tracker Extension and Futuramo Time Tracker, you can also consider the following products
SaveMyTime - Time Tracker - The whole picture how you spend time. Both online and offline activities.
Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
YouTube Rabbit Hole - Remove YouTube recommendations, comments, and more
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Invideo for Youtube - Search inside Youtube videos (think Ctrl-F)
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.