Zint Barcode Generator - A barcode encoding library supporting over 50 symbologies.
Uniqode - Uniqode: Revolutionizing QR Codes, Simplifying Solutions.
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...
Visualead - Visual QR code generator
QtQR - A Qt GUI (front-end) for python-qrtools that makes creating and decoding QR codes easy.
Link to QR - Free beautiful QR codes