https://cdn3.brettterpstra.com/2012/04/15/desktop-countdown-timer-with-geektool-and-applescript/
Desktop countdown timer with GeekTool and AppleScript - BrettTerpstra.com
I just realized today, quite belatedly, that you can control GeekTool on your Mac with AppleScript. I just wanted to play around with it a bit, so I threw...
countdown timerdesktopgeektoolapplescript