Hourglass - Hourglass is the most advanced simple countdown timer for Windows.

Calorie Mama AI - Automatically count calories by taking food photos

wnr - Better than pomodoro, this timer app balances work and rest.

MyFitnessPal - Track the number of calories that you consume each day with MyFitnessPal. The app also lets you create a diet and track the exercise that you complete each day whether it's walking, running or some other type of program.

Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows

Moderation - A radically simple food diary.