10 Best Open Source Monitoring Software for IT Infrastructure (2022)

Monitoring is essential to businesses to ensure a necessary system is up and running. Monitoring different aspects 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 have a small or enterprise-level configuration, you can’t ignore the monitoring devices. Even if you own a personal website, you need uptime monitoring.

There are 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 challenging to find 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 to the open-source community to maintain them.

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

Nagios

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

Nagios is capable of monitoring almost all types of components like network protocols, operating systems, system metrics, applications, services, web servers, websites, middleware, etc.

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

10 Best Open Source Monitoring Software for IT Infrastructure (1)

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.

Features

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  • Centralized view of entire monitored IT infrastructure
  • Its event handlers grant automatic restart of failed applications
  • Multi-user access
  • Selective access allows clients to view only the infrastructure components about them
  • An active community of over 1 million users
  • Extendable architecture

Do you need some help with Nagios installation? Check out this Fiverr gig.

Zabbix

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

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

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Zabbix is a server-agent system architecture where you got to install the agent on a server (client) to be monitored by the 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.

(Video) 6 AWESOME Open Source & FREE IT Infrastructure Products!

Features

  • Monitor Java application servers over JMX directly
  • VM monitoring allows VMWare, vCenter, and vSpehere
  • The front end has 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 to this online course.

Installing Zabbix can take some time and if you need it quickly for POC or trying the software, you can get it on Kamatera with one click.

Checkmk

Checkmk is a highly scalable tool that monitors servers, networks, cloud assets, databases, containers, IoT, and more. It is available in two modes.

  • Raw Edition – completely open-source and offers free & unlimited monitoring.
  • Enterprise Edition – comes with additional features as you could guess.
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Features

  • Ready in minutes: Deploy a single fully-packaged system and you are good to go
  • Lowest operational effort in the industry: A high degree of automation enables very a broad monitoring scope and reduces manual configuration
  • Flexible monitoring: Over 1,900 official integrations provided ‘out of the box’. Monitor states, metrics, events & logs via Checkmk agents, vendor APIs, SNMP, or any way you prefer
  • Future proof, including monitoring of Docker, Kubernetes, AWS, and Azure
  • Suitable for monitoring large environments with a fully scalable, distributed monitoring function

Prometheus + Grafana

This list won’t be complete without including two fantastic open-source solutions – Prometheus and Grafana. Its DIY solution where you use Prometheus to scrape the metrics from server, OS, applications and use Grafana to visualize them.

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There is plenty of Prometheus exporter to get the metrics from Linux, Windows, databases, routers, messaging systems, storage, APIs, web applications, Kubernetes, etc.

Cacti

Cacti is another open-source network monitoring tool that 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.

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Cacti require MySQL, Apache, or IIS that support PHP.

Features

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  • 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

OpenNMS

OpenNMS let you build a 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 supports Grafana.

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

You can also install it in Docker.

Features:

  • 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

Icinga

Icinga monitoring framework allows you to monitor all the available systems in your network, which alerts you in the 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, more comfortable to scale significantly better.

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Features:

  • 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

Netdata

Netdata provides unparalleled real-time health monitoring and performance troubleshooting for systems and applications. Over the past six years of development, Netdata’s GitHub community has been essential to its growth.

Netdata is fast and efficient, designed to run on all systems without disruption. Instantly diagnose slowdowns and anomalies in your infrastructure with thousands of metrics, interactive visualizations, and insightful health alarms.

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Netdata is free, open-source software, and currently runs on physical systems, virtual machines, containers, and IoT/edge devices.

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Features:

  • High-resolution metrics, with per-second data collection.
  • Auto-detects and monitors thousands of metrics from dozens of services and applications.
  • Monitoring for all possible sources, including thousands of metrics per node.
  • Meaningful presentation, optimized for visual anomaly detection.
  • Advanced alarm notification system for detecting performance and availability issues.
  • Quick installation with immediate results—zero dedicated resources required.
  • A custom database engine that saves recent metrics to RAM and “spills” historical metrics to disk for long-term storage.

M/Monit

M/Monit tool is used for supervising the process for Unix and Linux. It is a software that has covered the need to manage many identical infrastructure processes.

It runs on any POSIX system and uses around 10-15 MB of RAM, depending on how many hosts you monitor. It works with the following database systems:

  • MySQL 5.x or later
  • PostgreSQL 8.4 or later
  • SQLite 3.x

If a process dies, M/Monit can perform an automated restart. So, in the case of patchy situations, it can jump in for automatic repair and maintenance. Therefore your systems will be able to gain the maximum uptime.

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Features

  • Easy and a time saver when it comes to installing and setting it up.
  • Collects key data from monitored hosts and creates beautiful and easily understandable charts by analyzing the collected data.
  • Its user interface is simple, clean, and responsive. Its UI can rearrange itself to fit the device screen.
  • Manage and monitor both the background or daemon processes.
  • Higher application uptime because it can handles error conditions automatically, without human intervention.
  • Monitor processes, servers, disks, files, folders, and cloud activities.
  • Control the services remotely.
  • HTTP rest API to query M/Monit for data.
  • Based on existing data, we can extrapolate future values by using its trend predictions feature.

LibreNMS

LibreNMS is a fully featured network monitoring system. It is based on PHP/MySQL/SNMP. LibreMNS covers a wide range of operating systems and network hardware.

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It can do interface-grouping based on the prefix of the interfaces. The entire network can be automatically discovered by the use of SNMP, CDP, ARP, FDP, OSPF, LLDP, and BGP.

Features

  • A highly flexible and reliable alerting system is being used here. So, immediate notifications will pop up via email, IRC, Slack, etc.
  • Whatever data will come in from the installation, LibreMNS can retrieve, manage, and graph it using the full API it has.
  • Another very important feature is its capability to generate the bandwidth bills on the network, based on the usage.
  • As the network grows, you can scale it horizontally.
  • It provides integration support for NfSen, collected, SmokePing, RANCID, Oxidized.
  • It supports multiple authentication methods withMySQL, HTTP, LDAP,Radius, Active Directory.
  • Extensive device support with mobile-friendly web UI.

Conclusion

Above listed monitoring software can get you started for FREE to monitor various aspects of IT infrastructure. Go ahead and download them to see how they work. On top of infra monitoring, you may also want to implement cloud-based APM.

Next, explore enterprise-ready infrastructure automation software.

FAQs

Which is the best software for monitoring? ›

List of Top System Monitoring Software
  • Zabbix.
  • Spiceworks Network Monitor.
  • Nagios.
  • OpManager by ManageEngine.
  • WhatsUp Gold.
  • Cacti.
  • Icinga.
  • OpenNMS.

What is open source monitoring system? ›

LibreNMS is an open-source network monitoring system that utilizes multiple network protocols to observe every device on your network. The LibreNMS API can recover, manage, and plot the data it collects and facilitates horizontal scaling to grow its monitoring abilities along with your network.

How do you monitor infrastructure? ›

Key elements of IT infrastructure monitoring

A comprehensive infrastructure monitoring platform can manage the entire IT environment and collect data on issues across networks by monitoring servers on-premise, in the cloud, or monitoring a hybrid environment like AWS or Azure in one central system.

What is infrastructure monitoring tool? ›

What are IT Infrastructure Monitoring Tools? ITIM tools capture the health and resource utilization of IT infrastructure components no matter where they reside (for example, in a data center, at the edge, infrastructure as a service [IaaS] or platform as a service [PaaS] in the cloud).

Which are the three basic tools for monitoring? ›

There are three basic categories of monitoring; technical monitoring, functional monitoring and business process monitoring. These are shown in the diagram below. These three categories have a very clear hierarchy.

Is splunk a monitoring tool? ›

Splunk is used for monitoring and searching through big data. It indexes and correlates information in a container that makes it searchable, and makes it possible to generate alerts, reports and visualizations.

Which is better Nagios vs zabbix? ›

After comparing the two it is clear that Zabbix is the winner. While Nagios Core has the basics in place to run effective network monitoring it simply doesn't have the experience and configurability that Zabbix does. Zabbix is a free network monitor that performs like a product situated in the very top price bracket.

Is Nagios open source? ›

Nagios is an open source monitoring system for computer systems. It was designed to run on the Linux operating system and can monitor devices running Linux, Windows and Unix operating systems (OSes). Nagios software runs periodic checks on critical parameters of application, network and server resources.

Is Prometheus better than Zabbix? ›

Neither architecture is inherently better than the other, although some may consider Zabbix's architecture older. Zabbix's architecture lends itself better to hardware and device management; Prometheus is better for cloud services and SaaS.

How do I choose a monitoring tool? ›

How to select the best network monitoring tool
  1. How network monitoring works. At its core, a network monitoring product detects, monitors and analyzes a network. ...
  2. Types of network monitoring tools. ...
  3. Networking monitoring tool features. ...
  4. Nice-to-have network monitoring features. ...
  5. The bottom line.

What metrics do you use to monitor infrastructure performance? ›

Metrics that Track Overall Functionality and End-to-End Experience
  • Latency: The time to complete user requests.
  • Traffic: Number of user requests per second.
  • Errors: Errors that occur when processing client requests or accessing resources.
  • Saturation: The percentage or amount of resources currently being used.
Dec 26, 2017

What are the monitoring tools? ›

Monitoring tools are used to continuously keep track of the status of the system in use, in order to have the earliest warning of failures, defects or problems and to improve them. There are monitoring tools for servers, networks, databases, security, performance, website and internet usage, and applications.

What is infrastructure monitoring Splunk? ›

Splunk Infrastructure Monitoring is a purpose-built metrics platform to address real-time cloud monitoring requirements at scale.

Which of the following tool we have used for infrastructure monitoring? ›

Zabbix. Zabbix is one of the most popular open-source infrastructure monitoring tools on the market. It's a versatile solution that offers multiple monitoring options: network, server, cloud, application, and databases, to name a few.

What is infrastructure monitoring in Dynatrace? ›

Dynatrace Infrastructure Monitoring mode provides a complete solution for the monitoring of cloud platforms, virtual infrastructure, and more. Infrastructure Monitoring mode includes automatic visibility, problem detection, and smart alerting across virtual networks, virtual infrastructure, and container orchestration.

What are the 4 types of monitoring? ›

We describe and label four types of monitoring—surveillance, implementation, effectiveness, and ecological effects—that are designed to answer very different questions and achieve very different goals.

What are the four monitoring strategies? ›

1.4 The monitoring and evaluation strategy is organized into four main streams of work: results monitoring, grant monitoring, evaluation, and dissemination and learning.

What is Datadog vs Splunk? ›

Datadog and Splunk offer uptime and performance monitoring, though Datadog's uptime and performance monitoring are more comprehensive than Splunk's. Datadog monitors your entire stack, from the application to the database, while Splunk only monitors your servers.

Who is Splunk's biggest competitor? ›

With over 350,000 employees and $73.6 billion in revenues, IBM is the fiercest Splunk competitor. Both IBM and Splunk offer robust SIEM products with distinct benefits to potential buyers.

Why is Splunk so popular? ›

It is Scalable and has no Backend

This makes Splunk available on multiple platforms and can be installed speedily on any software. If one server is not enough another can be added easily and data is distributed across both these servers evenly.

Is Zabbix really free? ›

Absolutely Free

Zabbix is released under the GPL license, thus is free for commercial and non-commercial use. There are no limitations on the number of monitored devices, you can use Zabbix to monitor many thousands of devices absolutely free.

How much does Zabbix cost? ›

Absolutely Free. Zabbix offers the freedom of using an open-source solution with no vendor lock-in and freely accessible source code.

What is Zabbix used for? ›

Zabbix is an open source monitoring software tool for diverse IT components, including networks, servers, virtual machines (VMs) and cloud services. Zabbix provides monitoring metrics, such as network utilization, CPU load and disk space consumption.

What is alternative to Nagios? ›

SolarWinds Server & Application Monitor is our top pick for a Nagios alternative because it covers all layers of digital infrastructure on premises and will also monitor cloud-based systems.

Is Nagios no longer free? ›

Nagios Core /ˈnɑːɡiːoʊs/, formerly known as Nagios, is a free and open-source computer-software application that monitors systems, networks and infrastructure.

What is the difference between Nagios and Splunk? ›

While Splunk is used for log analysis Nagios is used for continuous monitoring. Both Splunk and Nagios are the tools to study the health of system infrastructure. While each has a distinct way of working and different architecture, there are some areas where they overlap.

Is Grafana better than Zabbix? ›

Grafana can integrate with a huge range of collectors, agents and storage engines. Grafana is open source and free. Zabbix is open source and free. Zabbix is meant for monitoring, and not for visualization.

What is the difference between Prometheus and Grafana? ›

Prometheus and Grafana are both built for time-series data. Prometheus excels in metric data collection, whereas Grafana champions metric visualizations. Both tools are open source, free and have vibrant communities of open source developers supporting their development.

Does Prometheus have a database? ›

Prometheus includes a local on-disk time series database, but also optionally integrates with remote storage systems.

What is a system monitoring software? ›

A monitoring system is software that helps system administrators monitor their infrastructure. These tools monitor system devices, traffic, and applications, and sound the alarm in the event of malfunctions and disruptions. There are lots of monitoring systems on the market, from freeware to professional software.

What software do companies use to monitor employees? ›

Best employee monitoring software options
  • SentryPC. ...
  • Teramind. ...
  • ActivTrak. ...
  • HubStaff. ...
  • InterGuard. ...
  • Veriato. ...
  • Work Examiner. ...
  • VeriClock.
May 4, 2022

What is the seven monitoring tools? ›

Recognizing the need is easy, but choosing which monitoring tool or set of tools to use can be difficult. The seven tools I wrote about here – Datadog, Ruxit, OverOps, Rollbar, Sensu, ELK Stack, and Graphite – are worthwhile tools to check out.

Videos

1. OEMC 19 July 2022 5 Patrick Griffiths wQ&A
(Tomislav Hengl (OpenGeoHub Foundation))
2. Amazing Free All In One Network Manager Tool For Windows 10 PC
(Tricknology)
3. top 10 infrastructure management tools | solarwinds | pagerduty | veeam fastscp | sciencelogic
(KaaShiv InfoTech)
4. Monitoring real time cloud infrastructure with an open source stack -Diogo Guerra [2019.03.11]
(DevOpsLisbon)
5. "Self-Service Monitoring Through Versioned Infrastructure and IaC"
(DOGCAST The DevOps Webcast by NADOG)
6. Server Monitoring // Prometheus and Grafana Tutorial
(The Digital Life)

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