Memo to Me - Online email & SMS reminder service.
Date Reminder - Date Reminder reminds you of recurring or nonrecurring events, like birthdays, bills to pay...
Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
Crontab UI - Easy and safe way to manage your crontab file
Desktop-Reminder - Desktop-Reminder is a freeware task planner for Windows to manage your tasks and other to-dos’ in really easy way.
Simply Remind Me - Free email and text reminder service so you don't forget the important things in life!