



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, Icinga, Datadog and Cockpit Project.




HostMonitor is a network monitoring software. It can monitor any TCP service, ping a host, retrieve an URL, check the available disk space, check integrity of your files and web site, test your SQL servers, NT services, and much more.




Our open and flexible server and network monitoring solution delivers a unified view of your entire IT environment. Monitor up to 100,000 devices from a single server, with distributed and redundant solutions for nearly infinite scalability.




It is Nagios, but better and with Support and Professional Services.


Zabbix and Datadog are great, but overkill for small projects. Servwatch focuses on up/down checks and alerts to keep things fast, affordable, and simple.




LiveMon leverages Artificial Intelligence to monitor proactively servers&databases, logs and web-performance in real-time.




Agentless Monitor is a sophisticated rules engine capable of sensing rule violations within seconds and alerting you immediately. It monitors network, servers, databases, java applications, errors, and exceptions, websites etc.

SaaS monitoring tool for linux servers and websites. Think up-time robot but with more features. You can monitor your linux hosts, windows hosts under development.


GFI MAX RemoteManagement allows IT Support Companies & Service Providers to manage customer's IT devices from Desktop, Tablet & Mobile.




Netweak is a delightful, minimalist monitoring platform that gives you insights on performance and availability for your linux servers & websites.




Idera, formerly CopperEgg, is an all-in-one software-as-a-service designed and priced to ensure that organizations can effectively react to infrastructure performance issues. Idera provides four essential monitoring capabilities, giving you everything you need to identify and...
Based on Naemon, a fork of Nagios. Can use all Nagios plugins.