The PC Timer is an easy to use countdown timer and alarm clock.
It's a great tool for people who are charged an hourly rate by their Internet Service Provider, and for those of us who continually lose track of time while on the Internet.
May start automatically with Windows. Minimizes to the system tray. Reappears, and plays a sound file, opens a program, and/or displays a custom message when the alarm activates. May also customize the background and font colors, as well as select a custom notify time.