Network Utility is described as 'Application included with macOS up to MacOS Catalina that provided a variety tools that could be used related to computer network information gathering and analysis' and is an app in the network & admin category. There are more than 10 alternatives to Network Utility for a variety of platforms, including Windows, Linux, Mac, BSD and Android apps. The best Network Utility alternative is Nmap, which is both free and Open Source. Other great apps like Network Utility are Angry IP Scanner, Fing, Zenmap and NetPeek.