QR Code Generator For Developers - A quick API to generate QR codes in your apps
Offline QR Code Generator - A browser add-on that allows you to quickly generate a QR code offline with the URL of the open tab...
Link to QR - Free beautiful QR codes
QR code render for IPFS - Generator of QR codes based on the distributed network IPFS
VisualCode - QR codes for everything
Zint Barcode Generator - A barcode encoding library supporting over 50 symbologies.