Unknown

Network Monitor

Command line interface

{app} either have CLI support or is a CLI-only app.

Website Monitoring

{app} can detect and resolve website performance issues proactively.

Nmap

Windows

Linux

Nmap (&quot;Network Mapper&quot;) is a free and open source (license) utility for network exploration or security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or...

Angry IP Scanner

Zenmap

Fing

Zenmap is the official cross-platform GUI for the Nmap Security Scanner.  It is free and runs on Linux, Windows, Mac OS X, etc. Zenmap aims to make Nmap easy for beginners to use while providing advanced features for experienced Nmap users.

Apps with 'Connectivity Testing' feature

Nmap

Nmap Features

Top 3 alternatives

Zenmap

Zenmap Features

Top 3 alternatives