What are some alternatives?
When comparing focus booster and Harvest, 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
TimeCamp - Simple and robust time tracking app to help you stay on the same page with your team while working from home.
Pomello - Pomello turns your Trello cards into Pomodoro® tasks.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.