Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Sleep Watch - AI-powered, personalized insights about your sleep.
AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.
Enough Sleep - Boost your performance by getting enough sleep!
Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
Sleepfulness - The beautifully effective sleep app, powered by mindfulness.