Clocker - Keep track of people in different time zones
Alarmy - World's most annoying alarm app
World Clock iOS 8 Widget - Check the time, anytime. Just pull down Notification Center.
Wake N Shake Alarm Clock - Wake up with a jolt of energy ready to get shit done.
Dato - Better menu bar clock with calendar and time zones
Wakefy - Turn your Mac into a Spotify alarm clock.