ConnectUpz - Helping service businesses to connect and grow your customer base by becoming part of of a larger ecosystem.
Kinoni Barcode Reader - Use your iPhone as a professional barcode scanner for your PC or Mac.
ZXing - Barcode Scanner for Android
Barcode to PC: Wi-Fi scanner - Turn your smartphone into a real barcode scanner
ZXing Decoder - Decode a 1D or 2D barcode from an image on the web. Supported formats i nclude: UPC-A and UPC-E
QR Droid - QR Droid Zapper