Calendar Lock PEA - Calendar Lock PEA is an encrypted desktop calendar with a day, week and month view. The shown calendars are never stored unencrypted on your disk, but exist only in the RAM. Platform-independent, Open Source, no installation or registration required.
ClocX - ClocX - freeware analog clock for Windows desktop with many features like calendar, alarms, skins, antialiasing and transparency.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
LClock - Longhorn systray clock program
UKs Kalender - This program helps you organizing your dates and tasks and reminds you of upcoming events.
DS Clock - Keep your time synchronized with Atomic Time servers, using customizable digital desktop clock with westminster chimes.