QR Droid - QR Droid Zapper
qurify - Online QR Code generator with some advanced settings and print queue.
ConnectUpz - Helping service businesses to connect and grow your customer base by becoming part of of a larger ecosystem.
ZXing Project QR Code Generator - Generate QR Codes.
QuickMark - QuickMark makes everything possible.
Kaywa QR Code - Kaywa QR Code is a QR-Code Generator.