ZXing - Barcode Scanner for Android
Stocard - All loyalty cards on your smartphone!
ZXing Decoder - Decode a 1D or 2D barcode from an image on the web. Supported formats i nclude: UPC-A and UPC-E
Key Ring Reward Cards - Tired of all the loyalty cards dangling from your keys or stuffed in your wallet?
Dynamsoft Barcode Reader - 1D & 2D barcode scanner SDK for desktop, web & mobile
CardStar - Leave those bulky plastic “reward cards” and “club cards” at home!