Does Just What It Says
This little app does one thing—put countdowns on your desktop—and it does it very well. There are enough preferences for each countdown so that you can have it the way you want it. There was a glitch when I updated to Yosemite; I wrote to the feedback link and received very quick and helpful answers. So, app works, support is good. What else can one ask?
KS, San Diego about
Big Day Countdown - Counting Down To The Special Day