List Of 13 Best Open Source & Free Monitoring Tools In 2022 (2023)

Monitoring is necessary for businesses to make sure that the required system is up and working. Monitoring various aspects of the IT infrastructure can be quite pesky and cause many difficulties if not done properly.

Regardless of the company’s size, one cannot ignore the need for Server, network, and infrastructure monitoring using the best monitoring tool. All modern cloud and on-premise infrastructure come with the best monitoring solutions.

Also, when it comes to DevOps, monitoring, and observability plays a key role in the team’s performance.

Following are the key areas when it comes to monitoring.

  1. Real-time Server Monitoring
  2. Network Performance monitoring
  3. Container Monitoring (Docker/Kubernetes/Mesos etc.)
  4. Cloud Infrastructure monitoring (Public & Private)
  5. Application monitoring.

What are the Best Opensource Monitoring Tools?

Professional or Business-grade tech solutions are generally regarded as costly, but that’s not necessarily always the case.

Following is the key list of key indicators for the best monitoring software.

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  1. Provide indicators on outages and service degradation
  2. Detect service outages and unauthorized activities
  3. Scalable
  4. Able to handle and process huge amounts of monitoring data
  5. Collect system/application metrics in real-time
  6. Able to provide long-term insights for better capacity planning.
  7. Highly available
  8. Support all modern cloud and containerized applications.
  9. Support metric visualization tools
  10. Good traceability
  11. Have a good user-friendly interface.

Numerous absolutely free and open-source network monitoring tools can be considered while looking for monitoring solutions. Let’s take a look at the top-rated open-source monitoring tools and see what works for you!

1. Prometheus

Prometheus is an open-source monitoring solution primarily fixated on data gathering and analysis based on time-series data. It enables users to set up monitoring capabilities by utilizing the in-built toolset.

It is an ideal monitoring setup for containerized environments like kubernetes and the best open-source server monitoring tool.

It is able to assemble several metrics on servers, kubernetes, and various devices using SNMP pings and inspect network bandwidth usage from the device point of view, along with the other functions. The PromQL system analyzes data and permits the program to produce plots, tables, and other graphics on the systems it monitors.

The alert manager is another component of Prometheus. It handles alerting for all alerting rules configured in Prometheus.

Prometheus can collect system metrics, application metrics, and metrics from modern containerized applications. Also, it has very good integration with tools like Grafana for visualizing metrics. Grafana is one of the best open-source monitoring dashboards.

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Tutorial: How To Install and Configure Prometheus

2. Zabbix

Zabbix is open-source monitoring software with an easy-to-use interface for users with a low learning curve that provides enterprise-class solutions to large organizations. It is a centralized system that stores the data in a relational DB for efficient processing.

Here is what Zabbix can do.

  1. Network Monitoring
  2. Server Monitoring
  3. Cloud Monitoring
  4. Application Monitoring
  5. Service Monitoring

3. Nagios

Nagios is an open-source monitoring tool that has been in the market since 1999. It provides numerous facilities like integration with third-party apps using an additional plugin. Considering the length of time that Nagios has been in the industry, there are plenty of plugins written for it. It can monitor a variety of components including Oss, applications, websites, middlewares, web servers, etc.

4. Riemann

Riemann is an ideal open source monitoring tool for distributed systems. It’s a low latency even processing system capable of collecting metrics from a variety of distributed systems. It is designed to handle millions of even per second with low latency. It is an apt monitoring tool for highly distributed scalable systems.

5. Sensu

Sensu is indorsed as a full-stack monitoring tool. By means of a single platform, you can monitor services, applications, servers, and reports on business KPIs. Its monitoring does not require a separate workflow. It supports all the popular Operating Systems like Windows, Linux, etc.

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6. Icinga

Icinga is an open-source network monitoring tool that calculates the availability and performance of the network. Through a web interface, your business can observe applications and hosts around your complete network infrastructure. The tool is scalable and easily configurable to function with each type of device. There exist a few Icinga modules for very specific monitoring capabilities, like monitoring for VMWare’s vSphere cloud environment and business process modeling.

7. Cacti

Cacti is an open-source network monitoring tool built on RRD Tool’s data classification and plotting system. The tool utilizes data gathering functionality and network polling to collect information on various devices on networks of any scope. This comprises the capability to create custom scripts for data gathering along with the facility for SNMP polling. It then showcases this information in easy to comprehend plots which can be organized in whichever hierarchy as per your business’s convenience.

8. LibreNMS

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. The tool presents a flexible alerting system that is custom-made to communicate to you by the method that suits best to your company. They offer their iOS and Android

9. Observium Community

Observium Community is the free counterpart of Observium’s network monitoring tool. In the free version of the Observium Community, you can monitor a limitless amount of devices along with taking complete advantage of Obersvium’s network mapping attributes. The Observium network monitoring tool features the programmed discovery of connected devices. It also comes well-appointed with discovery protocols to make sure that the map of your network is the latest. In this manner, you can keep track of new devices as they connect with the network.

10. Pandora FMS

Pandora FMS is an open source monitoring tool that aids businesses to observe their whole IT substructure. It not just features network monitoring capabilities but also Unix and Windows servers and virtual interfaces. For networks, Pandora FMS comprises top-notch features like SNMP support, ICMP polling, network latency monitoring, as well as system overload. Agents can also be installed on devices to observe aspects like device temperature and overheating, as well as for logfile happenings.

11. LogRhythm NetMon Freemium

LogRhythm NetMon Freemium is a free version of LogRhythm NetMon that offers similar business-grade module capturing and analysis abilities as the full version. Though there are restrictions or limits on data processing and module storage, the freemium version still permits the users to perform network risk detection and response functions built on data packet analysis. It also offers a similar network threat alerting system as the full version, letting you stay updated on your network’s performance and security.

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12. Famatech Advanced IP Scanner

Famatech’s Advanced IP Scanner is free of cost network monitoring as well as a scanning tool that offers analysis on Local Area Networks and LAN devices. The advanced IP Scanner allows the scanning of devices on the network and remotely regulates the connected computers and other resources. It provides the ability to switch computers off from the tool if the device is not in use and is using resources. The tool connects with Famatech’s Radmin solution for distant IT management, so you can manage the IPs wherever you are.

13. AppNeta PathTest

AppNeta PathTest is a free network volume testing tool intended to aid businesses to comprehend the true ability of their network. PathTest seeks to advance layer three and layer four performance by exhibiting a precise depiction of your network’s maximum capabilities. It deliberately floods your network with data packets to fill the network to its full capacity. Users can set the duration of this test up to a maximum of 10 seconds and run the tests at any time.

Conclusion

Monitoring provides supervisors a crisp view of the services, applications, and devices running on their network and the ability to track the performance of these resources. This facilitates active management rather than responding to issues as and when they happen.

Open-source monitoring tools are utilized to monitor the status of the framework being used, so as to have the warnings of defects, failures, or issues and to improve them. There are monitoring tools for servers, network, cloud infrastructure, containers, databases, security, execution, site and web use, and applications.

Sometimes, it is wise to use default monitoring systems that come with the infrastructure providers. One example is the AWS cloudwatch. However, open-source monitoring tools provide a lot of functionality to monitor your infrastructure components with a lot of customization.

Opting for an appropriate open source monitoring solution for your business is not as easy as it seems.

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IT professionals like the Network and DevOps Engineers need to consider multiple factors while searching for an open-source monitoring solution for their enterprises, such as compatibility, facility, effortlessness, and budget.

As a DevOps engineer myself, I can’t think of a project where we never used monitoring tools. So if you want to become a devops engineer, I would highly suggest you look at the open-source monitoring tools.

Also, if you’re looking for the best service discovery tools, read my reviews on the best open-source service discovery tools.

FAQs

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.

What is the best monitoring tool? ›

List of Top System Monitoring Software
  • Zabbix.
  • Spiceworks Network Monitor.
  • Nagios.
  • OpManager by ManageEngine.
  • WhatsUp Gold.
  • Cacti.
  • Icinga.
  • OpenNMS.
10 Oct 2022

Which of the following open source tools help enable continuous monitoring? ›

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.

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 HWiNFO64 free? ›

HWiNFO64 v7.00 and later is FREEWARE for Non-Commercial use only. Check Licensing and upgrade to HWiNFO64 Pro.

What is the best CPU and GPU monitoring software? ›

7 Best Tools to Check GPU and CPU Temperature on Windows Computer
  • Core Temp.
  • NZXT CAM.
  • Speccy.
  • Open Hardware Monitor.
  • HWMonitor.
  • HWiNFO.
  • AIDA64.

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 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.

What are the eight 8 famously used network management tools? ›

Selecting a network monitoring tool
  • SolarWinds Network Performance Monitor.
  • Paessler PRTG.
  • ManageEngine OpManager.
  • Nagios XI.
  • Spiceworks Network Monitor.
  • WhatsUp Gold.
16 Apr 2019

Is SigNoz free? ›

Since SigNoz is an open-source tool, it is completely free to use.

Which open-source tool is used for monitoring network events? ›

Nagios Core One of the top open-source network monitoring tools. Includes a dashboard view, alerts system, community plugins, and more.

Which of the following tools are open-source? ›

Following are some of the best open source testing tools:
  • Gatling.
  • Selenium.
  • Appium.
  • Apache JMeter.
  • SikuliX.
  • Watir.
  • Capybara.
  • TestLink.
15 Oct 2022

What are the different types of monitoring tools? ›

What are the basic types of IT monitoring? The basic types of IT monitoring include availability monitoring, web performance monitoring, web application management and application performance management, API management, real user monitoring, security monitoring and business activity monitoring.

Which tool is used for monitoring? ›

PRTG Network Monitor

PRTG Network Monitor is a monitoring tool that gives you extensive infrastructure monitoring capabilities for networks, servers, virtual machines, and applications. It offers both agent-based and agentless monitoring.

Does NASA use HWiNFO? ›

Today, HWiNFO allows its user base — which includes professionals at NASA, AMD, Intel, DELL, ASUS, and MSI— to examine hardware components down to the most minute detail.

Is HW Monitor Free? ›

HWMonitor is a free hardware monitoring program that monitors the speed, voltage, temperature, fans of PCs connected to your network.

Is hardware monitor free? ›

Verdict: Open Hardware Monitor is easy to use, free, and open-source software for monitoring temperature sensors, fan speeds, voltages, load, and clock speeds.

Is NVDA better than AMD? ›

The valuations and verdict

AMD's lower valuations, broader diversification, and softer post-pandemic landing all make it a more compelling buy than Nvidia right now.

What is a hardware monitoring tool? ›

A hardware monitor is a software application used for hardware health monitoring. Hardware monitor software can collect a wide range of information related to hardware health, including CPU, temperature, and fan speed.

What is the best CPU mining? ›

  1. AMD Ryzen 3 3100 (Best Overall) The best overall mining CPU for 2022 is the Ryzen 3 3100. ...
  2. AMD Ryzen 5 3600X (Best Value) ...
  3. AMD Ryzen 9 3950X (Best Budget Pick) ...
  4. AMD Ryzen Threadripper 3970X. ...
  5. AMD Ryzen Threadripper 3960X. ...
  6. Intel Celeron G5905. ...
  7. Intel Core i9-10900X. ...
  8. Intel Pentium Gold G-6400.
7 Aug 2022

What are the 4 Golden signals of monitoring? ›

The golden signals are latency, traffic, errors, and saturation.

What are the 6 steps in the monitoring procedure? ›

Steps
  1. Step 1: Identify Program Goals and Objectives. ...
  2. Step 2: Define Indicators. ...
  3. Step 3: Define Data Collection Methods and TImeline. ...
  4. Step 4: Identify M&E Roles and Responsibilities. ...
  5. Step 5: Create an Analysis Plan and Reporting Templates. ...
  6. Step 6: Plan for Dissemination and Donor Reporting.

What are the 4 basic steps to monitoring? ›

Top 4 Project Monitoring Steps
  • Step 1: Designing an Efficient Plan For Monitoring. ...
  • Step 2: Designing Effective Report Management Mechanism. ...
  • Step 3: Recommendations For Project Improvement. ...
  • Step 4: Ensuring Guidelines And Recommendations Are Followed Accordingly.
13 Oct 2015

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 is online monitoring tools? ›

The system compiles all relevant information about every project in one system. These data can then be accessed by different users (beneficiaries, committees, controllers, the Joint Secretariat etc.) depending on the user rights of each user and what they need to know.

What is real user monitoring tool? ›

Real user monitoring (RUM) is a performance monitoring process that collects detailed data about a user's interaction with an application. Real user monitoring collects data on a variety of metrics. For example, data collected on load actions can include navigation start, request start, and speed index metrics.

What are 3 keys to good networking? ›

Network everywhere you possibly can.
  • 1 — Inspiration / Shared Knowledge. ...
  • 2 — Trust. ...
  • 3 — Brand Awareness. ...
  • “If your business comes from relationships, relationships should be your business.”– ...
  • Comment below once you've tried these 3 keys to networking!
26 Feb 2018

What are the tools needed for monitoring projects? ›

Tools for monitoring a project
  • Network Diagrams. ...
  • Critical Path Method or CPM. ...
  • Gantt Chart. ...
  • PERT Chart. ...
  • Project Management Software for Calendar. ...
  • Project Management Software for Timeline. ...
  • Project Management Software for WBS Diagram or Work Breakdown Structure. ...
  • Project Management Software for Mind Map.

What are the 6 networking devices? ›

Types of network devices
  • Hub.
  • Switch.
  • Router.
  • Bridge.
  • Gateway.
  • Modem.
  • Repeater.
  • Access Point.
8 Jan 2019

How can I monitor my childs computer for free? ›

Parental time control is an effective free app for monitoring any device based on Windows, Android, Mac. Keep your children safe and get to know with whom he or she communicates on the Internet, how long do they play computer games and how much time spend in webspace.

How can I monitor my child's computer remotely for free? ›

One of the easiest tools for parental control you can ever find is AeroAdmin free remote desktop software, which provides instant access to remote computers over Internet or in LAN in real time (download, how to use). AeroAdmin is a small application which does not require installation or configuration.

How can I monitor my child's PC without them knowing? ›

Here are five apps you can secretly use to spy on your children's internet use.
  1. Mobicip – Top Of The Line Spy App. ...
  2. mSpy – Spy App for Remote Access. ...
  3. Qustodio – The Cheaper Spy App. ...
  4. Hoverwatch – Monitor & Record Everything. ...
  5. FlexiSpy – The Spy App Powerhouse.
26 Nov 2019

How can I control someone else's computer for free? ›

Top 10 Free Remote Desktop Software in 2022
  1. TeamViewer.
  2. AnyDesk.
  3. VNC Connect.
  4. ConnectWise Control.
  5. Splashtop Business Access.
  6. RemotePC.
  7. EV Reach.
  8. Zoho Assist.

Is there a completely free parental control app? ›

1. Qustodio: Best Free Parental Control App for its Multiple Screen Time Tools, Comprehensive Web Filters & Real-Time Reporting.

How can I monitor all activity on my 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

What is the best free child tracking app? ›

Our first choice recommendation is Famisafe. It is one of the best family tracker app free for android and iphone. Also, it was named Wondershare.com's most reliable parental control app, with lots of features and functions that can help you track your family.

Is Circle or bark better? ›

Circle or Bark Home? Both have similar features (filtering, screen time controls, app usage, etc.). Circle is slightly stronger on screen time controls, but Bark Home is much stronger on blocking the bad stuff (explicit content).

How can I access someone's computer from my computer? ›

On your local Windows PC: In the search box on the taskbar, type Remote Desktop Connection, and then select Remote Desktop Connection. In Remote Desktop Connection, type the name of the PC you want to connect to (from Step 1), and then select Connect.

Is there a free version of Qustodio? ›

The Free version of Qustodio can protect a single device and includes basic protection features. The Premium version can protect multiple family devices and, more importantly, gives you access to Premium features such as Location Tracking, Calls and Text Messages Tracking, and Applications Controls.

Can you see what someone did on your computer? ›

To see all the login activities on your PC, use Windows Event Viewer. This tool will show you all Windows services that have been accessed and logins, errors and warnings. To access the Windows Event Viewer, click the search icon and type in Event Viewer. Click Windows Logs, then choose Security.

Can I tell if someone is watching my computer? ›

PC users: Follow these steps

Open the Task Manager by hitting Ctrl + Shift + Esc. Under the Processes tab, you'll see the apps and background processes running on your PC. Look through the list. If you see a name you don't recognize, do a search to see what turns up.

Can you tell if someone is monitoring your computer? ›

If you have suspicions that your computer is being monitored you need to check the start menu see which programs are running. Simply go to 'All Programs' and look to see if something like the software mentioned above is installed. If so, then someone is connecting to your computer without you knowing about it.

How can I control another phone from my phone? ›

Users first need to download the "TeamViewer QuickSupport" app on their primary Android smartphone and ask the other person to download the "TeamViewer Remote Control" app from Google Play Store. Desktop users will find the app on Microsoft's store.

How can I remotely access another computer using CMD? ›

Step 1. Open Command Prompt, then type in “mstsc” and press Enter to evoke the Windows Remote Desktop. Step 2. Enter the Computer and User name of the remote computer to remotely control it.

How do I share my screen with IP address? ›

On your Android device, download and install the SMART Screen Share app from Google Play. On the display's Home screen, tap Screen Share . The display shows its IP address on the screen. Open the SMART Screen Share app on your device.
...
SMART Screen Share app for Android devices.
DownloadGoogle Play Store
ReleasedJuly 20, 2020
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20 Jul 2020

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