There is various list of software for QR code to generate
RedLaser-Barcode Scanner and QR code Reader Impossibly accurate barcode scanning, scan faster, shop smarter.
Bakodo - Barcode Scanner and QR Bar Code Reader is the best companion for your barcode scanning and shopping needs.
Qrafter - QR Code Reader is a two-dimensional barcode scanner and generator for iPhone and iPod Touch. Its main purpose is to scan and parse the contents of QR Codes.
Scan is the most straightforward QR Code scanner available. Scan is completely free.
i-nigma QR code
turns your camera into a sophisticated barcode reader.
QuickMark QR code Reader is a mobile barcode scanner app that allows auto-scanning of multiple barcode formats from your phone.
QR code Reader / Scanner Scan 2d QR codes and barcodes of other formats.
EggMon barcode and QR search is a Barcode and QR code search application.
CertainTeed QR Code Reader is a full-featured and integrated QR code reader.
QR code widget - QR Code Contact Info, Email, Phone, Url, Text, SMS display widget No check input validated