What are some alternatives?
When comparing focus booster and RescueTime, you can also consider the following products
Tomighty - Tomighty is a convenient, easy to use, eye candy desktop application that helps you organize and...
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.
YAPA - Pomodoro timer
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Pomello - Pomello turns your Trello cards into Pomodoro® tasks.
TimeCamp - Simple and robust time tracking app to help you stay on the same page with your team while working from home.