The best Uptime Monitor alternative to LibreNMS is Zabbix, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to LibreNMS and six of them are Uptime Monitor Services so hopefully you can find a suitable replacement. Other interesting Uptime Monitor Service alternatives to LibreNMS are Paessler PRTG Network Monitor, Checkmk, Leaf Node Monitoring and Bleemeo.
Gather and analyze accurate statistics and performance metrics, visualize it, get notified about current and potential issues without delay, and take advantage of our time-tested professional development and support.
Comprehensive monitoring solution with over 200 sensor types, user-friendly interface, and powerful capabilities such as traffic analysis, failover clustering, and remote probes. Offers email and SMS alerts, supports SNMP and WMI, provides high-availability features and detailed reporting.
Checkmk is a monitoring tool of servers, applications, networks, cloud, containers, storage, databases, IoT and more. Checkmk is available as Raw Edition, which is 100% pure open source, and as Enterprise Edition with a lot of additional features.
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.
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.
IPNetwork Monitor is self-hosted network monitoring software for tracking uptime and performance on Windows, Linux, and other OS.
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