barValid- GS1 Barcode scanner – Apps on Google Play
Creating Barcodes
Building Online Barcode and QR Code Scanning App with Python Django | Dynamsoft Developers Blog
GS1 Barcode Scanner - Apps on Google Play
NetumScan Wireless 2D Barcode Scanner USB Automatic Bar Code Reader with Hands Free Adjustable Stand Reader/Imager (QR PDF417, GS1 Data Matrix) for PC Computer MAC Laptop NSI8-X : Amazon.co.uk: Stationery & Office