Maybe you've created your own AR program for wearables that shows the definition of a word when you highlight it IRL, or you've built a personal calendar app for your family to display on a monitor in the kitchen. Whatever it is, I'd love to hear it.
http://whenisgoldenhour.com .. tech isn't particularly interesting, but it gets a decent bit of usage. Does a geoip lookup to tell you the golden hour time range for today. Inspired by my photography habit.