Leaf Node Monitoring is described as 'Open Source (GPLv3) Network Monitoring for Windows, Linux & Android. Simple setup, auto-detects running services, runs checks concurrently, open port scanning and alerting. Written in C++ & Qt 5' and is a Network Monitor in the network & admin category. There are eight alternatives to Leaf Node Monitoring for a variety of platforms, including Linux, Self-Hosted, Windows, Mac and Apache HTTP Server apps. The best Leaf Node Monitoring alternative is Zabbix, which is both free and Open Source. Other great apps like Leaf Node Monitoring are Nagios, LibreNMS, Paessler PRTG Network Monitor and Icinga.