Prynt - Turn your smartphone into a Polaroid
Polarr Photo Editor 3 - The most powerful photo editor in the web.
Sprocket Printers - Create instantly stickable photos in seconds
Fenetre App - Picture in picture for your mac.
Mixtiles - Mixtiles is a photography application that turns your photos into self-adhesive wall art.
Darkroom 2.0 for iOS - The photo editor for enthusiasts, rebuilt from the ground up