XNote Stopwatch - Try the most feature-rich stopwatch and timer software on the net for free!
AlarmDJ - Online Alarm Clock - Use YouTube videos or MP3 files as alarm sound. Works offline.
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
T-Clock Redux - T-Clock Redux in an enhanced fork of Stoic Joker's T-Clock 2010 with ISO week number support...
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows
ClocX - ClocX - freeware analog clock for Windows desktop with many features like calendar, alarms, skins, antialiasing and transparency.