Lightning Calendar - Organize your life — it’s about time!
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Google Calendar - Spend less time managing your day & more time enjoying it
SnapTimer - SnapTimer is a simple, free, portable countdown timer for Windows.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows