QuickMark - QuickMark makes everything possible.
ZXing - Barcode Scanner for Android
QR Code Reader “Q” - Formerly QR Code Reader “Q,” now QRQR, is a smart code reader application.
Barcode & QR Code Scanner - A free app which allow to read and generate barcodes for Android.
Lynkee Reader - Lynkee Reader is the best QR & Barcode Reader application on the market.
ConnectUpz - Helping service businesses to connect and grow your customer base by becoming part of of a larger ecosystem.