The Polaroid Lab - Turn your smartphone photos into polaroids
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
Prynt - Turn your smartphone into a Polaroid
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Sprocket Printers - Create instantly stickable photos in seconds
FastStone Image Viewer - FastStone Image Viewer is a fast, stable, user-friendly image browser, converter and editor.