Barcode Scanner - Barcode Scanner for Android
QuickMark - QuickMark makes everything possible.
Kinoni Barcode Reader - Use your iPhone as a professional barcode scanner for your PC or Mac.
bcWebCam - Scan barcodes and QR Codes with your computer web cam
ZBar bar code reader - ZBar bar code reader
UPCDB - Find product information and offers by product UPC code.