active_net_iface
Active_net_iface is a free bash script that displays the name of the presently active network interface (e.g. "en0" or "en1") in an uncomplicated manner.
Cameron Hayne
active_net_service_name
This software, active_net_service_name, echoes the name of the network service currently in use. It provides a quick and easy way to identify the active network service, which can be useful for troubleshooting and network management.
get_wan_ip
Get_wan_ip is a simple yet useful command-line Perl script. It extracts the external IP address of your Mac from a public website, making it an easy and free way to obtain this information.