Nagios is described as 'Powerful monitoring system licensed under Nagios Enterprises that helps organizations identify and resolve IT infrastructure issues' and is a popular Network Monitor in the network & admin category. There are more than 100 alternatives to Nagios for a variety of platforms, including Linux, Windows, Web-based, Self-Hosted and Mac apps. The best Nagios alternative is Zabbix, which is both free and Open Source. Other great apps like Nagios are Netdata, Beszel, Better Stack and Datadog.
Avoid traffic and sales loss, be alerted when your website is down! Monitor all of your web services (site, server, database, ...) 24/7 with our multiple check locations in Europe/USA. Available in 5 languages!.
IPSentry provides monitoring of all aspects of your network 24/7 and alerts you when there is a potential problem.
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.
CoScale provides full-stack performance monitoring, optimized for webscale and containerized production environments. The CoScale platform continuously monitors your servers, containers, and applications, as well as the impact on user experience and key business metrics.
Xymon is a tool for monitoring servers, applications and networks. It collects information about the health of your computers, the applications running on them, and the network connectivity between them.
OptiTune is an IT Management System that lets you manage thousands of computers, provide remote desktop support, deploy applications, manage updates, handle endpoint protection, and more. All from one cloud based console. Your first year is free.
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.
Syne is a lightweight, modern application designed to simplify server management over SSH. It provides an intuitive interface for monitoring system performance, managing files, and executing essential controls without relying on a terminal for routine tasks.
All-in-one server monitoring, service monitoring, database monitoring, uptime monitoring, app metric monitoring and alerting. Fast setup. Easy to use.
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.
United States
Russia
Belgium
EU
Switzerland
India
France