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...
Zint Barcode Generator - A barcode encoding library supporting over 50 symbologies.
KeePassQRCodeView - KeePassQRCodeView is a plug-in for KeePass 2.x which shows QR Codes for entry fields.
QR Code Generator (By Compzets.com) - This is an online web application for generating QR Codes for free.
QtQR - A Qt GUI (front-end) for python-qrtools that makes creating and decoding QR codes easy.
Barcoder - Generate barcodes and QR codes right from your Mac menubar.