ZXing - Barcode Scanner for Android
QuickMark - QuickMark makes everything possible.
QR Code Reader “Q” - Formerly QR Code Reader “Q,” now QRQR, is a smart code reader application.
QR Droid - QR Droid Zapper
UpCode - UpCode is a highly developed mobile access & interaction MAI technology that turns mobile...
NeoReader - The NeoReader is a universal barcode scanning app that transforms your mobile phone into a barcode scanner, allowing access to mobile web content by scanning codes from virtually any medium