This is a simple Countdown Timer desktop application built using Python's Tkinter library. The timer allows users to enter a time duration in seconds, start the countdown, and receive a notification ...

PomodoroTimer pure-logic class — session sequencing and checkmark computation live in a class with no tkinter dependency, making the logic independently testable. Display class with injected callbacks ...

When you want to track your focus time using the Pomodoro Technique or measure short breaks, you often find yourself wanting a handy timer. With Python, you can easily create your own simple ...