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5 Best Open Source Monitoring Software for IT Infrastructure

5 Best Open Source Monitoring Software for IT Infrastructure

Geek Flare Blog post is sponsored by Netsparker Web Application Security Scanner.

Monitoring is essential to business to ensure a necessary system is up and running. Monitoring different aspect of your IT Infrastructure setup can cause a lot of tantrum if not done properly with the right tools.

It doesn’t matter if you are having small or enterprise level configuration, you can’t ignore the monitoring devices.  Even, if you just own a personal website, you need uptime monitoring.

There is many software from open source to a commercial level which helps you to monitor your infrastructure and notify for any failure.

Considering a large number of options it might be difficult in finding one that hangs well on the string of your price range is not easy.

The good thing is, there is a powerful open source monitoring solution available for you to use. Thanks for open source community to maintain them.

Let’s take a look at best open source monitoring software for IT Infrastructure monitoring and see what works for you.

1. Nagios

Nagios founded in 1999 is one of the industry leaders in providing monitoring solution from small to enterprise level of infrastructure.

Nagios is capable of monitoring almost all type of components like network protocols, operating systems, system metrics, applications, services, web server, website, middleware, etc.

Nagios runs on a Core 4 monitoring engine which provides a high level of performance by consuming fewer server resources.

You can integrate with almost any type of third-party software by using a plugin, and most likely someone has already written the plugin.

If you are into Middleware, you can leverage Nagios to monitor WebLogic, WebSphere, JBoss, Tomcat, Apache, URL, Nginx, etc.


  • Centralized view of entire monitored IT infrastructure
  • Automatic restart of failed applications is granted by its event handlers
  • Multi-user access
  • Selective access allows clients to view only the infrastructure components about them
  • Active community of over 1 million users
  • Extendable architecture

2. Zabbix

Zabbix is a splendid enterprise level software designed to monitor everything from performance and availability of servers, network equipment to web applications and database.

Zabbix is used by thousands of companies worldwide including DELL, Salesforce, ICANN, Orange, etc.

Zabbix is server-agent system architecture where you got to install the agent on a server (client) to by monitored by Zabbix server. However, you don’t need to install the agent for services like FTP, SSH, HTTP, DNS, etc.

You can get it installed on Linux, AIX, Windows, Solaris, MacOS X, FreeBSD, OpenBSD, etc.

It supports SNMP and provides better reporting.


  • Monitor Java application servers over JMX directly
  • VM monitoring allows VMWare, vCenter, and vSpehere
  • Front end has a self-protection against brute force attacks
  • Automation can be done by scripts in various languages like Ruby, Python, Perl, PHP, Java or shell scripts
  • Integrates with other system management tools like Puppet, cfengine, Chef, bcfg2 to name a few

If you are looking to learn how to implement Zabbix for a large organization, then you may refer essential online course by Packt Publishing.

3. Cacti

Cacti is another open source network monitoring tool which can be installed on Linux or Windows OS. It is connected to RRDTool which allows us to generate graphs related to relevant network data.

It works with SNMP and presents the network statistics in the form of easy to understand charts.

Cacti require MySQL, Apache or IIS that support PHP.


  • Unlimited graph items can be defined for each graph optionally utilizing CDEF or data sources from within Cacti
  • Auto padding support for graphs
  • Supports RRD(Round-Robin Database) files with more than one data source and can also use an RRD file stored anywhere on the local file system
  • User-based management and security
  • Custom data gathering scripts

4. OpenNMS

OpenNMS let you build network monitoring solution for any IT infrastructure. You can collect system metrics using JMX, WMI, SNMP, NRPE, XML HTTP, JDBC, XML, JSON, etc.

With the help of OpenNMS, you can discover layer two network topologies in your network. It’s built on event-driven architecture and support Grafana.

OpenNMS got built-in reporting which means you can view the report in beautiful dashboard and chart. Overall, OpenNMS got great user interface.

You can also install it in Docker.


  • It is specially designed for Linux, but Windows, Solaris, and OSX are also supported
  • Device Temperature monitoring
  • Customizable admin dashboard
  • Power Supply Monitoring
  • IPv4 and IPv6 support
  • Events can generate notifications via email, SMS, XMPP and various other methods
  • Geographical node map to show nodes and service outages using Open Street Map, Google Maps or Mapquest

5. Icinga

Icinga monitoring framework allows you to monitor all the available systems in your network, which alerts you in a case of an alarm in many ways and provides you with a database for your SLA reporting.

Icinga, which began as Nagios Fork in 2009, got freed from the constraints of a fork and crafted Icinga 2 which is faster, easier to configure, easier to scale significantly better.


  • Monitoring of network services, host services, and server components
  • It performs monitoring with Icinga 2 plugins
  • Support for event handlers and notifications
  • Phone, SMS, call and email support
  • Cross-platform support for various operating systems
  • Parallelized service checks
  • You can choose between 2 user interfaces, Classic UI and Icinga web
  • Template-based reports

Above listed monitoring software can get you started in FREE to monitor various aspects of IT infrastructure. They are available in FREE to download so go ahead and give a try to experience it.

If you are a website owner and looking for a continuous monitoring solution, security & CDN then you may try SUCURI.

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Chandan Kumar
About Chandan
Chandan Kumar is the founder of Geek Flare. Learn more here and connect with him on Twitter.


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