Works great - very useful
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows
BleachBit - When your computer is getting full, BleachBit quickly frees disk space.
SnapTimer - SnapTimer is a simple, free, portable countdown timer for Windows.
AVG PC TuneUp - Peak performance for your PC. Keeps it going for longer. - More Speed Turbo Mode