ZXing - ZXing (pronounced "zebra crossing") is an open-source, multi-format 1D/2D barcode image processing library implemented in Java. Our focus is on using the built-in camera on mobile phones to photograph and decode barcodes on the device, without communicating with a server
ZXing Barcode Scanner - This application allows you to scan barcodes and use the information they contain: URLs can be opened, telephone numbers called, emails sent, business cards added to your contacts. The pictures you scan can be taken with the camera or chosen from your photo roll or picture library
