

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.


Easy to use configuration web interface for nagios and neamon. openITCOCKPIT is a perfomant monitoring system with support for distributed monitoring (Satellites), REST API, nice dashboards, maps, graphs and a modular concept for easy customization.




Monitor applications, infrastructure, and servers in one platform. Out-of-the-box dashboards. Metrics. Analytics. Starting at $7.50/month. Free 14-day trial.
Netdisco is an Open Source web-based network management tool first released publically in 2003. The target users are large corporate and university networks administrators. Data is collected into a Postgres database using SNMP and presented with a clean web interface using Mason.



ActiveXperts Network Monitor is a network and server monitoring tool to allow administrators to monitor the network for failures and irregularities automatically.




UISP is Ubiquiti Network's management platform for all UISP, LTU, airMAX, airFiber devices. It also includes built in CRM and billing for ISPs.




Sentinet3 is an enterprise class unified proactive monitoring device able to monitor Systems, Applications, and Networks.

Trafikito is free Linux servers monitoring solution which by default checks RAM, disk space, CPU and sends you an email if something is wrong.




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.






Delivers continuous monitoring of network devices, automated topology mapping, SNMP management with custom thresholds, real-time alerts, secure remote access, power cycling, asset documentation, interactive network visualization, flexible automation, and workflow creation.




The alerta monitoring system is a tool used to consolidate and de-duplicate alerts from multiple sources for quick ‘at-a-glance’ visualisation. With just one system you can monitor alerts from many other monitoring tools on a single screen.

