VisualCode - QR codes for everything
qurify - Online QR Code generator with some advanced settings and print queue.
Link to QR - Free beautiful QR codes
Kaywa QR Code - Kaywa QR Code is a QR-Code Generator.
QRCraft - Turn Boring QR Codes into Captivating Works of Art!
ZXing Project QR Code Generator - Generate QR Codes.