QR codes
- QR Code Generators (on-line)
- http://zxing.appspot.com/generator/ – best
- http://qrcode.kaywa.com/
- http://www.patrick-wied.at/static/qrgen/
- QR Code Dekoders (on-line)
- http://zxing.org/w/decode.jspx – nejlepší
- http://www.patrick-wied.at/static/qrgen/
- http://freenuts.com/best-5-free-online-qr-code-readers/
