XNote Stopwatch - Try the most feature-rich stopwatch and timer software on the net for free!
Free Alarm Clock - Free Alarm Clock is a free, full-featured and user-friendly computer alarm clock for Windows.
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Digital Clock 4 - Beautiful customizable clock with plugins
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows
AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.