qrcp is a command line tool to transfer files from a desktop to a mobile device (and the other way around) over Wi-Fi, by scanning a QR code. It's available for Microsoft Windows, macOS and Linux.

Just when you thought you’d heard, read and seen absolutely everything there is to about QR codes, along comes this little story to make you sputter in your corn flakes. Earlier this month, the craft-store chain Michael’s was hit with a lawsuit for the use of QR codes in its circulars by QR code company Neomedia, according to 2DCode.com. Um…and …