Kinoni Barcode Reader - Use your iPhone as a professional barcode scanner for your PC or Mac.
QR Droid - QR Droid Zapper
Barcode to PC: Wi-Fi scanner - Turn your smartphone into a real barcode scanner
ZXing - Barcode Scanner for Android
UpCode - UpCode is a highly developed mobile access & interaction MAI technology that turns mobile...
MKH Barcode Reader - This tool can be used to scan QR codes on your PC or tablet. Note: a webcam is required.