Network intruder and presence detector. Scans for devices connected to your network and alerts you if new and unknown devices are found.

LibreNMS is described as 'Autodiscovering PHP/MySQL based network monitoring system forked from Observium. LibreNMS aims to be easy to use, painless to deploy, and support monitoring of a wide range of devices. Observium's license changed to a modified QPL license in May 2012, and' and is a Network Monitor in the network & admin category. There are more than 25 alternatives to LibreNMS for a variety of platforms, including Linux, Windows, Web-based, Self-Hosted and Android apps. The best LibreNMS alternative is Zabbix, which is both free and Open Source. Other great apps like LibreNMS are Nagios, Paessler PRTG Network Monitor, Spiceworks and ManageEngine OpManager.
Network intruder and presence detector. Scans for devices connected to your network and alerts you if new and unknown devices are found.

Infrastructure monitoring that works from minute one. One open-source agent auto-discovers 100+ services with instant dashboards and smart alerts — zero configuration. Simple per-host pricing, no surprise bills. EU data residency, PromQL and OpenTelemetry compatible. Free plan available.




Full-Stack Infrastructure Monitoring without Limits.
Use and customize dashboards in seconds, and set up powerful alerts that adapt to your needs—so you stay ahead of issues, not buried in noise.

LANState is a simple NMS with the network topology mapping and device monitoring functions. Add hosts to a graphical network map and monitor their state in the real time. Receive failure notifications when hosts and services go down.




Cloud based network monitoring software that allows you to monitor servers, virtual machines, cloud and websites.







LoggiFly is a lightweight tool that monitors Docker container logs for predefined keywords or regex patterns and sends notifications.




IPNetwork Monitor is self-hosted network monitoring software for tracking uptime and performance on Windows, Linux, and other OS.




Self-hosted network monitoring for MSPs, IT teams and homelabs. SNMP, services, websites, alerts, diagnostics. Free for 100 devices.




This specialized application allows you to perform periodical checks of multiple hosts, IPs, websites and, if required, even ports.



