I've mad a few:

Command line tool for OSX to upload images to imgur: https://github.com/FigBug/imguru

Copy and paste for Windows command line: https://github.com/FigBug/ccopyppaste

Mac App to set Philips Hue bulbs colour temperature to match the sun: https://itunes.apple.com/us/app/circadian-hue-for-philips-hu...