Galarm - Social alarm clock and reminders
Simple Poll - The easiest way to create polls in Slack
Alarmy - World's most annoying alarm app
GitHub Polls - Polls for GitHub issues and readme
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.
Curious Polls - Answer a question once a day for the chance to win £100/$100