As we delve more heavily into responsive imagery in my day job, production needs increase on an already overburdened staff. We needed a way to speed up PSD comp production work, and Mac app Slicy has been a great solution so far. Slicy is simple app that auto exports and slices out clean transparent pngs or jpgs of individual layers in a PSD file. Best of all, it auto exports 1x/2x images, essential for a responsive workflow. It’s developed by MacRabbit, the team behind CSSEdit and Espresso, so naturally the refinement is really high. Highly recommended for $29.