T-Clock Redux - T-Clock Redux in an enhanced fork of Stoic Joker's T-Clock 2010 with ISO week number support...
Memo to Me - Online email & SMS reminder service.
AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.
Simply Remind Me - Free email and text reminder service so you don't forget the important things in life!
DS Clock - Keep your time synchronized with Atomic Time servers, using customizable digital desktop clock with westminster chimes.
Kana Reminder - Kana Reminder is a program which can be used to set a reminder to be triggered at a specified time.