VisualCode - QR codes for everything
Zint Barcode Generator - A barcode encoding library supporting over 50 symbologies.
Link to QR - Free beautiful QR codes
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...
QRCraft - Turn Boring QR Codes into Captivating Works of Art!
QtQR - A Qt GUI (front-end) for python-qrtools that makes creating and decoding QR codes easy.