bcWebCam - Scan barcodes and QR Codes with your computer web cam
Zappar - Zappar is a clever little app that can see and recognise images and objects in the world around us.
ZXing - Barcode Scanner for Android
8th Wall - Cross-Platform Mobile AR
Barcode to PC: Wi-Fi scanner - Turn your smartphone into a real barcode scanner
Geocaching - Geocaching is the premier app for locating geocaches. This app is available for both the Android and iOS platforms, and it makes locating these popular hidden treasures easy and fun.