Scanning QR codes with smartphones is easy. However, sometimes you don’t want to use your smartphone and wish to scan the QR code natively on your computer. The good news is it’s possible to scan QR ...

Netcat lets you read from and write to network connections using TCP or UDP, enabling simple tasks like checking if a specific port on a computer is open and reachable (port scanning), transferring ...

Nmap is a free network scanning software available for Windows, Linux, macOS, etc. This open-source freeware can be used to check ping status, scan the entire network, check the uptime of any host, ...