SS Birthday Reminder Live - Improve personal organization and don't forget important things.
Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
Symbyoz Happy Birthdays - A smarter way to keep up with your birthdays.
Digital Clock 4 - Beautiful customizable clock with plugins
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.