The Polaroid Lab - Turn your smartphone photos into polaroids
Polarr Photo Editor 3 - The most powerful photo editor in the web.
Prynt - Turn your smartphone into a Polaroid
Fenetre App - Picture in picture for your mac.
Sprocket Printers - Create instantly stickable photos in seconds
Darkroom 2.0 for iOS - The photo editor for enthusiasts, rebuilt from the ground up