Have that at work.like that idea. Everything is hidden. Great use of dead space with hidden sponge cabinet located below kitchen sink. Hidden pull-out panel below kitchen sink housing kitchen sponges and accessories.
Smart Kitchen Space-Saver: Dish Drying Closet Above The Sink. It's a dish rack that's integrated into a bottomless cabinet above the sink, so that the step of drying wet dishes is skipped completely, and are placed there to dry, out of view.