System Scheduler - System Scheduler for Windows, Free Task Scheduler Software replace Microsoft Windows Task Scheduler
Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
VisualCron - VisualCron is an automation, integration and task scheduling tool for Windows.
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.
Freebyte Task Scheduler - Freebyte Task Scheduler, freeware for Windows and Linux/Wine.
Online Alarm Clock - The world's original online alarm clock, established in 2006.