ZXing - Barcode Scanner for Android
QuickMark - QuickMark makes everything possible.
Barcode to PC: Wi-Fi scanner - Turn your smartphone into a real barcode scanner
QR Droid - QR Droid Zapper
bcWebCam - Scan barcodes and QR Codes with your computer web cam
UpCode - UpCode is a highly developed mobile access & interaction MAI technology that turns mobile...