QR Code Generator For Developers - A quick API to generate QR codes in your apps
Link to QR - Free beautiful QR codes
VisualCode - QR codes for everything
QR Code Generator by Logaster - QR code for your business within seconds
PINGTAG - The emergency contact QR tags for your car and personal items
Greenpass QR Code Reader - Simply scan European Greenpass QR Codes and get information