bcWebCam - Scan barcodes and QR Codes with your computer web cam
Google ARCore - Google Augmented Reality SDK
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
Wikitude SDK - Wikitude’s all-in-one AR SDK combines 3D tracking technology (SLAM), image recognition and tracking, as well as geo-location for apps.