netdiscover is described as 'Netdiscover is an active/passive address reconnaissance tool, mainly developed for those wireless networks without dhcp server, when you are wardriving. It can be also used on hub/switched networks' and is a IP Scanner in the network & admin category. There are more than 50 alternatives to netdiscover for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best netdiscover alternative is Nmap, which is both free and Open Source. Other great apps like netdiscover are Angry IP Scanner, Fing, Zenmap and NetPeek.