10 Best Open Source Monitoring Software for IT Infrastructure (2023)

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

(Video) DevOps Monitoring Tools | Top 5 Free Monitoring Tools for DevOps

  • 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) Top 10 | Best Network Monitoring Tools | 2022

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.
10 Best Open Source Monitoring Software for IT Infrastructure (3)

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

(Video) Best Open-Source Network Monitoring Tools 2022 - 2023

  • 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.

(Video) Top 10 Network Monitoring Tools & Software

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 the Top System Monitoring Software:
  • 1) ManageEngine OpManager.
  • 2) Sematext.
  • 3) Auvik.
  • 4) System monitoring.
  • 5) PRTG Network Monitor.
  • 6) Network Bandwidth Analyzer.
  • 7) Nagios.
  • 8) Amazon CloudWatch.
12 Oct 2022

What is an IT infrastructure monitoring system? ›

Infrastructure monitoring is used to collect health and performance data from servers, virtual machines, containers, databases, and other backend components in a tech stack.

What is the best free PC monitoring software? ›

The best free computer monitoring software is Connecteam. It comes equipped with tools for time tracking and activity monitoring to keep tabs on what employees are working on at a given time. This easy-to-use platform allows you to manage all employee activities from a single dashboard.

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.

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.

Which are the three basic tools for monitoring? ›

There are three basic categories of monitoring; technical monitoring, functional monitoring and business process monitoring.

How can I monitor my computer activity remotely for free? ›

The best free remote computer monitoring software and tool in 2022 is Connecteam. It is an all-in-one personnel management solution with time tracking and task scheduling capabilities. It provides GPS tracking, productivity monitoring via online forms and checklists, attendance monitoring, and instant messaging.

How do you monitor employees computer activity? ›

  1. Teramind. Teramind has a live screen view and history playback, which can record employees' screens only when violations occur. ...
  2. ActivTrak. ...
  3. InterGuard. ...
  4. BambooHR Employee Monitoring Software. ...
  5. Hubstaff. ...
  6. SentryPC. ...
  7. Controlio. ...
  8. Veriato.
19 Oct 2022

What is a system monitoring tool? ›

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.

Which is better Nagios vs zabbix? ›

Dashboard and User Interface

High-quality dashboard. The Nagios Core dashboard provides basic information such as the status of devices but it doesn't offer the same level of clarity and display quality as Zabbix. High-quality dashboard. Zabbix has the edge based on its production value.

Is Nagios the best monitoring tool? ›

Nagios is an open source network monitoring solution. It helps organizations to identify and resolve IT infrastructure issues. However, Nagios could be difficult integrate into automatic provisioning processes. There are few other issues with Nagios as well.

What are the alternatives to Nagios? ›

Top Nagios XI Alternatives
  • SolarWinds Network Performance Monitor (NPM)
  • OpManager.
  • Paessler PRTG.
  • ExtraHop Reveal(x)
  • Cisco Prime Infrastructure.
  • Auvik.
  • Progress WhatsUp Gold.
  • LogicMonitor.

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.

What is infrastructure monitoring Splunk? ›

Speed, scale and analytics for hybrid infrastructure monitoring. Splunk Infrastructure Monitoring is a purpose-built metrics platform to address real-time cloud monitoring requirements at scale.

What metrics do you use to monitor infrastructure performance? ›

Metrics to Collect for Applications and Services
  • Latency: The time to complete requests.
  • Traffic: Number of requests per second served.
  • Errors: Application errors that occur when processing client requests or accessing resources.
  • Saturation: The percentage or amount of resources currently being used.
26 Dec 2017

Which of these is a popular monitoring tool? ›

Icinga is a popular server monitoring system that keeps an eye on server performance and the network admin gets instant notification about the current status. Icinga is a branch of Nagios so it has the common functionality which will help in server monitoring. Features: Icinga is an Open Source server monitoring tool.

What are the different types of network monitoring? ›

4 categories of network monitoring
  • Availability monitoring. Availability monitoring is the simplest way for network teams to know if a device is up and operational. ...
  • Configuration monitoring. ...
  • Performance monitoring. ...
  • Cloud infrastructure monitoring.

Which is the continuous monitoring tool? ›

Nagios. Nagios is one of the DevOps tools for continuous monitoring. It is a widely-used open-source tool. In a DevOps culture, Nagios can assist to monitor systems, applications, services, and business processes.

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? ›

Four strategies for implementing machine monitoring equipment
  • Setting objectives for machine monitoring. ...
  • Prioritizing machines for implementation. ...
  • Developing relevant performance metrics. ...
  • Continuously improving machine monitoring systems.
22 Mar 2022

What software do companies use to monitor employees? ›

InterGuard automatically monitors all user activity and makes that data available for searches, alerts, and reports. Parameters are determined by company policies and protocols for data access, and unauthorized processes that might threaten data security can be blocked.

How can I monitor someone's computer? ›

How to monitor PC activity remotely with employee monitoring software
  1. Project or task time tracking.
  2. Attendance tracking software.
  3. Webcam recording.
  4. Computer screen recording.
  5. Take a regular screenshot of the computer screen.
  6. Keystroke logger.
  7. Monitoring communications, emails, and chat messages.
  8. Poor time management reports.
5 Oct 2020

Can Remote Desktop be monitored? ›

1) Can Remote Desktop (RDP) Be Monitored? Yes. Using CurrentWare's remote desktop monitoring software you can monitor the computer activities of your end-users.

What are the examples of monitoring? ›

The Periodic tracking (for example, daily, weekly, monthly, quarterly, annually) of any activity's progress by systematically gathering and analyzing data and information is called Monitoring.

What is Linux monitoring tool? ›

It lets you easily view the usage of Linux server resources, such as CPU, memory, disk usage, networking, and processes, so that you can optimize server and application configurations. SAM uses agent and agentless data-collection mechanisms for remote Linux monitoring.

Is Grafana better than Zabbix? ›

Grafana has a broader approval, being mentioned in 559 company stacks & 314 developers stacks; compared to Zabbix, which is listed in 46 company stacks and 23 developer stacks.

Is Prometheus better than Zabbix? ›

Prometheus provides a lightning-fast, internal time-series database solution; Zabbix provides easy-to-use, out-of-the-box metrics monitoring. If you need a time-series database solution that's fast and easy to query, choose Prometheus.

Who owns Zabbix? ›

The Zabbix company was established in 2005 when its CEO and owner, Alexei Vladishev, made a game-changing decision to develop further the monitoring solution he worked on. Due to Zabbix's great popularity as a monitoring product, the company began to grow rapidly and conquer new markets.

Can Prometheus replace Nagios? ›

Prometheus and Nagios offer different functionalities. Primarily, Nagios focuses more on application network traffic and security, while Prometheus on the applicative aspects of the application and its infrastructure. Prometheus collects data from applications that push metrics to their API endpoints (or exporters).

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 there a free version of Nagios? ›

Download Nagios - Nagios Core is free.

Is Nagios obsolete? ›

These days, most software vendors focus on reducing IT complexity and minimizing the workload for users. IT monitoring should not be an exception. By now, the code base and the architecture of Nagios are outdated and no longer state-of-the-art.

Is Zabbix open source? ›

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.

Is OpenNMS free? ›

OpenNMS is the world's first fully open source enterprise-grade network service monitoring platform, and hundreds of enterprises are using it every day without a bit of help from us. It's that easy to work with. And as true open source, it's 100% free.

What are monitoring softwares? ›

Systems Monitoring Software is an umbrella term that includes individual system monitoring tools. These tools are designed to manage a company's IT system in a centralized fashion and can be operated remotely. System monitoring software is a core offering of many managed server providers (MSP).

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.

How do I find monitoring software on my computer? ›

Go to All Programs and look to see if something like VNC, RealVNC, TightVNC, UltraVNC, LogMeIn, GoToMyPC and so on are installed. If any of these programs are installed, then someone can connect to your computer without you knowing it as long as the program is running in the background as a Windows service.

Which is a continuous monitoring tool? ›

Nagios. Nagios is one of the DevOps tools for continuous monitoring. It is a widely-used open-source tool. In a DevOps culture, Nagios can assist to monitor systems, applications, services, and business processes.

What are the examples of monitoring? ›

The Periodic tracking (for example, daily, weekly, monthly, quarterly, annually) of any activity's progress by systematically gathering and analyzing data and information is called Monitoring.

How can I monitor my computer activity remotely? ›

Top 15 Remote Desktop Monitoring Software in 2022
  1. Time Doctor. Time Doctor is a user-friendly employee monitoring software designed for SMBs and large corporations. ...
  2. Kickidler. ...
  3. Teramind. ...
  4. Hubstaff. ...
  5. Desktime. ...
  6. ActivTrak. ...
  7. InterGuard.
31 Aug 2021

What is Datadog used for? ›

Datadog is a monitoring and analytics tool for information technology (IT) and DevOps teams that can be used to determine performance metrics as well as event monitoring for infrastructure and cloud services. The software can monitor services such as servers, databases and tools.

Is zabbix free to use? ›

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 do you implement a monitoring system? ›

  1. Establishing a monitoring system. Step 1: Define the intervention logic. ...
  2. Choose key performance indicators. Identifying indicators. ...
  3. Step 3: Select data collection tools. Which data collection tools? ...
  4. Step 4: Deploy the system to aggregate, analyse and report on results. Aggregating results.

What software do companies use to monitor employees? ›

Compare Our Best Picks
Employee monitoring softwareEditor's scoreStealth or visible mode
Veriato86/100Stealth
SentryPC85/100Both
Hubstaff84/100Visible
Work Examiner78/100Both
6 more rows
19 Oct 2022

Is CrowdStrike a keylogger? ›

CrowdStrike Falcon and Internet Access

It may record the addresses of websites visited but will not log the contents of the pages transmitted. This data is used to help detect and prevent malicious actions involving websites.

How can I tell if my boss is monitoring my computer? ›

Check Your Background Processes

If you're on Windows 10, press the Alt + Ctrl + Del keys and open the Task Manager. Click on the Processes tab and check if there any known employee monitoring software running in the background. If you use a MacBook, navigate to Utilities, and launch the Activity Monitor.

What are the four forms of monitoring? ›

Four basic types of monitoring can be readily distinguished by the nature of questions that the particular monitoring effort is designed to address—(1) surveillance monitoring, (2) implementation monitoring, (3) effectiveness monitoring, and (4) ecological effects monitoring (Table 1).

What are the four monitoring strategies? ›

Four strategies for implementing machine monitoring equipment
  • Setting objectives for machine monitoring. ...
  • Prioritizing machines for implementation. ...
  • Developing relevant performance metrics. ...
  • Continuously improving machine monitoring systems.
22 Mar 2022

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.

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