Free Server Monitoring Tools For 2016

Top 5 free server monitoring tools 2016, updated for 2019. In this article, we are bringing you the free monitoring tools for servers. There are tools for Windows and Linux operation system.

Free Server Monitoring Tools
Free Server Monitoring Tools | Image by PublicDomainPictures from Pixabay

The internet is quickly becoming a crucial part of our lives especially if you want to keep up with the latest happenings. Similarly, most of the organizations are interlink by the use of the internet. And thus the servers must be monitored to ensure the efficient running of their businesses.

This is where the use of server monitoring tools becomes necessary. These are tools that can check for faults. Faults can be resulting from network connections, overloaded and crashed servers or other devices in the system.

The tools also provide detailed, up-to-date information about your servers’ health. But to get the best out of server monitoring tools, you must select the best tool from hundreds that are currently in the market. Some are free while others are cost and licensed.

Here is a list of the best 5 free server monitoring tools:


Nagios is rated as one of the best known free server monitoring tools. It is a free monitoring system that enables the user to identify and fix server problems before they can affect critical processes.

What makes Nagios attractive to many is the fact that it can provide a centralized view of the entire IT infrastructure. Making it easy to identify a problem. The tool also provides detailed, up-to-date information about the system.

The most important part of this tool is the core. It allows the user to build plugins within it to monitor particular elements. Its easy basic configuration is another advantage that makes it an excellent choice for many internet users.


Icinga is another great free server monitoring tool. It is a part of the Nagios core which the GUI was improved. Icinga works by checking the availability of the server infrastructure with notifications for outages.

With this server monitoring tool, you can easily monitor Internet services such as HTTP, SMTP and others such as host resources including server components (routers, temperature and humidity sensors), disk usage and CUP load.

The tool has an outstanding REST API interface for integrating other applications and it can be integrated with many databases. The simple plug-ins of Icinga are among the advantages of attracting many.

Op5 Monitor:

This is a unique tool that monitors all kinds of servers including cloud, hybrids, physical and virtual types of environment. It is a free server monitoring tool that can easily handle large volumes of monitored services and devices.

The tool focuses more on hardware, service monitoring, and network traffic. Its ease of use and good load balancing system are the main advantages of Op5 Monitor.

Load balancing makes it possible for the system servers to share workload thus eliminating under or overutilization of one server.


Observium is a multiplatform server monitoring tool that supports a broad range of device types and operating systems including Linux, Dell, FreeBSD, Cisco, and NetApp and many others.

It focuses on providing a powerful yet simple interface to the health and status of your server or network. It is free for everyone and receives updates and features twice annually to improve its performance.


OpenNMS is a server management application with manual and also automated discovery options. The tool is super effective in that it can handle multiple outburst events (thousands) per seconds.

OpenNMS can also serve as the central respiratory for the network where it identifies an important event and generate trouble tickets.

The best part of this server monitoring tools is that maintenance and upgrade costs are zero while using it. OpenNMS utilizes configured alarm system that alerts the users when a problem is detected until it is addressed.

So we had here 5 free server monitoring tools for you to test and decide who is the best that fit our daily monitoring needs.


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