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Icinga vs Nagios XI vs Zabbix comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Mindshare comparison

As of April 2026, in the Network Monitoring Software category, the mindshare of Icinga is 1.5%, down from 3.3% compared to the previous year. The mindshare of Nagios XI is 2.4%, down from 3.3% compared to the previous year. The mindshare of Zabbix is 5.0%, down from 12.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Zabbix5.0%
Nagios XI2.4%
Icinga1.5%
Other91.1%
Network Monitoring Software
 

Featured Reviews

Harrison Bulley - PeerSpot reviewer
Senior Infrastructure Engineer at Net Consulting
A stable, scalable and cost-effective solution that helps with inbuilt scripts for easy modification
I think the software is quite good, but we have had problems with getting it to recognize certain areas and amend certain checks, where we needed so we would have to create backend scripts for those checks. Though, being open source, it has the support to create backend scripts, it would be better to have these scripts in-built.
Emmanuel Appiah Boateng - PeerSpot reviewer
Network and Security Engineer at a educational organization with 1,001-5,000 employees
Simplifies setup and requires user interface enhancement
Nagios XI is easy to install, which sets it apart from other open-source solutions I've tried. Typically, setting up a monitoring system on Linux involves cloning files from GitHub, building it, and installing many dependencies, but with Nagios XI, it wasn't like that. Nagios XI simplifies our setup and reduces the time spent configuring monitoring tools.
KamranBhatti - PeerSpot reviewer
Network Engineer at a computer software company with 11-50 employees
Helps reduce response time but has room to improve customization complexity
We are not working on simple standalone solutions like Kaspersky DDoS Protection or Hybrid Cloud Security. Once you understand Zabbix, then it is easy to customize those web pages and graphs for our customer use. It is fully automated to your requirements. Zabbix is working fine with no issues, and I am satisfied with it. We have combined Zabbix and SolarWinds. The integration works fine, and it is easy to integrate Zabbix with the IT environment. We were trying to purchase MDR (Managed Detection and Response), but we are not working on that. I don't have real experience with MDR. We are using Falcon software for that. We are working with Falcon Complete, not with Sandbox. We are not using Kaspersky for business or cloud protection. For that, we are using Zabbix CrowdStrike Falcon Complete solution. I have given this review an overall rating of 8.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"The value of Icinga is that it has hundreds of plugins, so it's really easy to monitor pretty much anything."
"The best thing about the solution is how it highlights errors, the issues, and what needs my attention. The solution directs me to areas that I should look for first."
"I would recommend Icinga; it's an open-source solution, it's quite easy and simple to use, and checks can be run with Python code and Shell Script code."
"If you have a small infrastructure or a small number of devices that you want to monitor, then I think it's a good solution."
"There's a module called Icinga Director, which helps us configure the product using an intuitive interface through clicks instead of creating a text configuration. It's very helpful for us."
"We monitor all, starting from UPS to international mail chains."
"It is really easy in Icinga to create your own plugin and integrate it without any fuss. And it works just perfectly fine."
"The apply rules feature saves a lot of time."
"This is a very good solution and it is simple to use, for any company."
"Nagios is a custom API manager, and we can expose custom APIs for our integration. This is a great feature."
"The most valuable feature of Nagios XI is customization. We can customize based on our requirements. We can do modifications and implement a lot of scripts. Additionally, it is easy to use."
"Our infrastructure is now under monitoring proactively and we don't have to wait for complaints from the customers or internal operation team to inform regarding any issue with the service."
"The dashboard allows you to see what's going on in the overall system."
"It is a very stable solution and the best solution for monitoring any IT infrastructure for all companies."
"You want to monitor a specific metric that nobody else has? You can do it even with the most basic of scripting skills, and you can always share it with the vast community of Nagios Exchange."
"They have very accurate and fast support."
"The monitoring capabilities of the product are excellent."
"Setup was straightforward. Initial deployment took two or three months."
"This resulted in a Operations team with lower levels of stress, more time to work on important projects and client satisfaction by lowering the number of problems visible by the client."
"It works well for my business."
"Zabbix is fully open-source - no paid features/versions, so you get everything for free."
"The overall functionality of Zabbix is very good. The monitoring of bank applications that Zabbix provides is great. The information is displayed on a dashboard that is easily viewed."
"The initial setup, while not simple, is easier than other products."
"We detect problems before the customer does and before it actually happens using the predictive functions in Zabbix."
 

Cons

"One of the areas that are frustrating is remote monitoring for more than one machine."
"In general, the product does not look good. However, it does what it is supposed to do. So, the improvements should focus on usability and UI."
"Icinga’s automation could be improved."
"The connection between Icinga and Icinga Web."
"One of the areas that are frustrating is remote monitoring for more than one machine."
"There is room for improvement in multi-tenancy. It's not perfect, not even really good. It's average, but it should be improved."
"One thing that Icinga lacks is the capability to create advanced and customized dashboards within the tool itself."
"At this time, the layout of the website is a bit difficult. It should be more user-friendly for changing the background and logos."
"The GUI could be improved. It's a bit too basic, and maybe having a GraphQL interface would resolve this."
"Improve the documentation, examples, and best practices, therefore users can understand how to do things."
"Business services monitoring is still really basic."
"We are implementing our hybrid cloud strategy, and it will most likely not be suitable for monitoring our public cloud assets."
"Adding new servers and passive checks (which require setting up agents and NRDS) on servers are a little difficult to do properly when employees don't understand the process."
"The reporting part should be made simpler. While we can obtain all the reports we need, we always have to create work-arounds to get them."
"This solution would be improved with the inclusion of additional services. Monitoring streaming services is an example of something that is not currently supported, so in order to handle this, I would have to write a script."
"While the UI is functional, I have always thought there was room for improvement here."
"An area for improvement would be the ease of doing aggregation from the value or different devices."
"The user web interface is a little bit too basic, we need to link Zabbix to Grafana to have more options, such as graphs and charts."
"It is a little complex to config and implement so I'd like for them to make it easier to config, for example, a configuration for SNMPv3 or trap listener on it."
"In terms of user-friendliness, large maps could be more interactive. We should be able to click on some areas and move some objects. It would make it simpler to see things while analyzing some dedicated parameters."
"Implementing Zabbix is difficult. I've deployed many solutions over the years, and Zabbix is the hardest to implement. You have to do some development to get it to work with IBM, Micro Focus, or HP products."
"If anything could be improved, it would be some of the terminology that is used in the documentation."
"There are some features of Zabbix that are not good for reporting. The DX Spectrum solution has better reporting."
"The stability could be better."
 

Pricing and Cost Advice

"The product is inexpensive compared to other DBM products."
"The solution is free to use."
"This is an open-source solution with paid support."
"We're using the free version of Icinga."
"It's an open-source solution."
"Even though Icinga's financial cost is low, it is an expensive product regarding the resources required to maintain and operate it."
"It is cost-effective, and the return on investment can be very interesting because the price is low."
"The solution is cheap."
"As it is not an agentless tool, I think it is expensive."
"The pricing is high with separate licensing for the product and support."
"Nagios XI is an expensive solution."
"For the cost of the commercial product and support, and taking into account the open source characteristics of it, I believe it is difficult to a better value."
"For our country in North Africa, it's expensive and we could purchase another solution for that price. But it's a reasonable price if we're speaking in international terms."
"The licensing fees for this solution are approximately $3,000 USD per year."
"Nagios Core does not have any payment, but Nagios XI requires payment for the license."
"Licensing costs are reasonable."
"Zabbix is free but if you use it in production then you have to pay for it."
"My manager is very happy because it doesn't cost anything."
"We were searching for an open source solution and Zabbix fit the bill because it is free and open source under the GPL license."
"The solution is open source so is free."
"If you have 20,000 hosts, the support costs around €95,000 for a year."
"I use the tool's free version."
"It is free, which allows us to reduce costs."
"We pay the subscription for support by year."
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Comparison Review

it_user174738 - PeerSpot reviewer
IT Developer at a tech services company with 51-200 employees
May 31, 2015
Nagios vs. Zabbix vs. PRTG vs. Spiceworks vs. Solarwinds Network Performance Monitor
I have researched a quite a few network monitoring tools which can be used for various monitoring purposes of not only the servers, but the intermediate routers as well. There are majorly three types of these softwares. Ones which are completely open-source, you can do almost anything you want…
 

Top Industries

By visitors reading reviews
Educational Organization
15%
Comms Service Provider
11%
Financial Services Firm
8%
Manufacturing Company
8%
Financial Services Firm
9%
Computer Software Company
9%
Manufacturing Company
7%
Government
6%
Computer Software Company
11%
Financial Services Firm
9%
Comms Service Provider
9%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise4
Large Enterprise7
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise17
Large Enterprise21
By reviewers
Company SizeCount
Small Business56
Midsize Enterprise23
Large Enterprise34
 

Questions from the Community

What is your experience regarding pricing and costs for Icinga?
It is cost-effective, and the return on investment can be very interesting because the price is low. If you want to i...
What needs improvement with Icinga?
There is room for improvement in multi-tenancy. It's not perfect, not even really good. It's average, but it should b...
What is your primary use case for Icinga?
We use Icinga as a monitoring solution to monitor customers' infrastructures. We work as a managed service provider, ...
What is your experience regarding pricing and costs for Nagios XI?
The pricing for the Nagios XI product is good and better than other solutions. I would give it a four or five.
What needs improvement with Nagios XI?
The user interface needs improvement. Many tools have poor user interfaces, making them hard to manage and navigate.
What is your primary use case for Nagios XI?
I normally use Nagios XI for our servers. It's not particularly used for network equipment, however, I use it for mon...
What do you like most about Zabbix?
The template system in Zabbix is very beneficial as it saves time in configuration.
What is your experience regarding pricing and costs for Zabbix?
I think Zabbix is economical, whereas SolarWinds is expensive. SolarWinds has a lot of secure features, but Zabbix is...
What needs improvement with Zabbix?
The potential and customization is a little difficult because you have to learn scripts. I think Zabbix needs to impr...
 

Comparisons

 

Also Known As

Icinga Cloud Monitoring
No data available
No data available
 

Overview

 

Sample Customers

Puppet Labs, Audi, Spacex, Debian, Snapdeal, McGill, RIPE Network Coordination Centre
Nagios has over one million users globally, including AOL, DHL, McAfee, MCI, MTV, Yahoo!, Universal, Toshiba, Sony, Siemens, and JPMorgan Chase.
1. IBM 2. Dell 3. Cisco 4. HP 5. Oracle 6. Microsoft 7. Amazon 8. Google 9. Facebook 10. Twitter 11. LinkedIn 12. Netflix 13. Adobe 14. VMware 15. Salesforce 16. SAP 17. Intel 18. AT&T 19. Verizon 20. T-Mobile 21. Vodafone 22. Ericsson 23. Nokia 24. Siemens 25. General Electric 26. Honeywell 27. Philips 28. Sony 29. Samsung 30. LG 31. Panasonic 32. Toshiba
Find out what your peers are saying about Zabbix, Auvik, Datadog and others in Network Monitoring Software. Updated: March 2026.
885,444 professionals have used our research since 2012.