Reminder Commander - Reminder manager that reminds you about important events in advance.
Sleep Cycle - Bio-alarm clock that wakes you up at optimal times based on your sleep patterns.
Memo to Me - Online email & SMS reminder service.
SleepBot - SleepBot is a sleep tracking app available in Google Play and the Apple App Store.
Date Reminder - Date Reminder reminds you of recurring or nonrecurring events, like birthdays, bills to pay...
Online Alarm Clock - The world's original online alarm clock, established in 2006.