NICeScan is a free, easy-to-use, and versatile QR/Bar code scanner app. It supports all common formats and works with any kind of device, including mobile phones and tablets. It's a great tool for any e-government or e-business that needs to scan and process QR codes or barcodes. It's also great for any business that needs to give their customers and partners access to their website.

With a simple and intuitive user interface, it's very easy to use. You just need to open it, point the camera at the QR code/barcode, and it will automatically recognize, scan, and decode it.