eToolz is described as 'Includes some of the most important network tools like NS-Lookup, Ping, TraceRoute and Whois. It can check e-mail addresses and shows domain information entries' and is a network analyzer in the network & admin category. There are more than 10 alternatives to eToolz for a variety of platforms, including Windows, Linux, Mac, Android and F-Droid apps. The best eToolz alternative is Nmap, which is both free and Open Source. Other great apps like eToolz are Fing, Port Authority, Wireless Network Watcher and Koolyz.