Network Discovery for Windows is a next-generation network scanner, capable of gathering a wide array of information from network devices without credentials or agents.
grIP - Shuffling TCP scanner Alternatives
grIP - Shuffling TCP scanner is described as 'GrIP is a console-based, multiplatorm TCP port scanner with support for IPv4 ranges as well as individual IPv6 IPs. It will shuffle the scan range and utilize a configurable number of sockets to scan it in parallel' and is an app in the network & admin category. There are more than 25 alternatives to grIP - Shuffling TCP scanner for a variety of platforms, including Windows, Linux, Mac, Android and iPhone apps. The best grIP - Shuffling TCP scanner alternative is Nmap, which is both free and Open Source. Other great apps like grIP - Shuffling TCP scanner are Angry IP Scanner, Fing, Zenmap and NetPeek.