Productivity Timer is a free and open source time management software for Windows, MacOS and Linux. Using this app you can manage your time effectively and give some relax to your eyes. It uses the Pomodoro Technique to improve your focus and productivity. It comes with standard 25 minutes Pomodoro timer and 5 minutes break. But you can set your own custom time, break and session rounds. Some other important features are you can set this app to always on top, show notification on desktop and full screen break. It comes with keyboard shortcuts, runs On background and dark mode support.