Galarm - Social alarm clock and reminders
Alarmy - World's most annoying alarm app
Wake N Shake Alarm Clock - Wake up with a jolt of energy ready to get shit done.
Alarm Clock Xtreme - Alarm Clock Xtreme: Alarm, Stopwatch, Timer (Free) is the most popular alarm clock app created and published by AVG Labs for both iOS and Android devices.
Wakefy - Turn your Mac into a Spotify alarm clock.
AlarmMon - AlarmMon – Free Alarm Clock is a comprehensive alarm clock app specially designed for kids.