ZXing - Barcode Scanner for Android
QuickMark - QuickMark makes everything possible.
UpCode - UpCode is a highly developed mobile access & interaction MAI technology that turns mobile...
QR Droid - QR Droid Zapper
Lynkee Reader - Lynkee Reader is the best QR & Barcode Reader application on the market.
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