Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
Galarm - Social alarm clock and reminders
Angee - One simple solution to protect your home and privacy
Digital Clock 4 - Beautiful customizable clock with plugins
Salient Eye - Turn smartphone into security cam with motion detection and cloud upload.