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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 August 2025, in the Network Monitoring Software category, the mindshare of Icinga is 3.1%, up from 2.7% compared to the previous year. The mindshare of Nagios XI is 3.1%, down from 3.9% compared to the previous year. The mindshare of Zabbix is 12.3%, up from 11.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software
 

Featured Reviews

Harrison Bulley - PeerSpot reviewer
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.
Amir  Said - PeerSpot reviewer
Effective alerting enhances network monitoring experience with an easy setup
We love Nagios XI due to the fact that JPS Web is very useful. JPS monitors the modem and performs switching, monitoring the computer, and performing switching. We implement some applications and traffic monitoring. The alerting system is very effective. For instance, if we have an alarm on some RAM storage if the traffic is cut or dropped.
B Ahmed - PeerSpot reviewer
Enables seamless global client monitoring with reliable remote connectivity
I use the solution to provide a perfect environment for remote connectivity with my clients. Many tools that I require for system maintenance are included. I can easily monitor all of my clients throughout the world I did not give much thought to it, however, improvements could be made to Zabbix.…

Quotes from Members

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

Pros

"The ability to customize scripts and build your own queries to request information from the infrastructure elements you want to monitor. This level of personalization and customization is highly appreciated."
"Icinga does the job and is fairly stable."
"Macros and the ability to connect it to Google Maps are valuable features."
"This solution has a self-healing handler where if the service is down, it is automatically restarted."
"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."
"I like the ability to amend and adjust things really easily, which is useful in a case where you could make it auto-discover and then set a template to say all of these applications or servers under this template have an automatic threshold set that you’d set up manually."
"The drafts are easy but what I like about Icinga is that there are many add-ons that you can download."
"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."
"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."
"Nagios is a custom API manager, and we can expose custom APIs for our integration. This is a great feature."
"Nagios XI simplifies our setup and reduces the time spent configuring monitoring tools."
"The most valuable feature is the dashboard, where I can have a single screen that provides a summary for hundreds of servers."
"The ability to set up templates and groups of checks, as well as customize the checks themselves."
"Nagios allows us to configure any device so that we can send pager alerts when people don't have access to emails. It also allows us to schedule downtime and maintenance."
"I can monitor a software made in-house to software of bigger companies."
"The most useful aspect of this solution is the ability to customize it for the client agent."
"It's a flexible solution."
"Zabbix helps to save time."
"SNMP monitoring, source discovery, and alert triggering are most valuable."
"In terms of customization and integration, we have more flexibility. We can automate configurations, define deletion rules, and customize based on the needs. The client interface allows for further configuration, making it quite comprehensive."
"It is a great product. The SNMP protocol tracking feature is good. I really like how it tracks SNMP. The alerts are also great."
"The pricing of the product is reasonable."
"They've already added extra features, such as noise-canceling and facial recognition, which is great."
"During my testing, the features that I like the most are that it can be integrated with my system, and it provides me with reports of all of my servers."
 

Cons

"At this time, the layout of the website is a bit difficult. It should be more user-friendly for changing the background and logos."
"There is room for improvement in multi-tenancy. It's not perfect, not even really good. It's average, but it should be improved."
"The installation and configuration are very complex."
"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."
"Icinga’s automation could be improved."
"We have found some problems with Nagios, and support isn't very responsive."
"Icinga is a complex solution that's hard to learn. It's a powerful product for monitoring, but new users will have a hard time figuring out what to do."
"The tool currently fails to provide notifications to users."
"The PNP4Nagios plugin not working easily with XI is an issue for me, because some open source monitoring plugins do not work out of the box. But in the end, you learn to live with it."
"From an alerting point of view, some graphics and metrics don't work properly with Nagios XI as they do with Checkmk."
"I would like to see more customization in the network map because it is a bit tricky to use it."
"The installation and monitoring need improvement."
"I would like to see support for notification via SMS."
"The way Nagios displays information isn't easy for a new user to understand. It's not intuitive enough. You need to read some tutorials or be trained to understand what it's displaying. Also, I think it needs more features to improve network visibility because there are some things you can't detect."
"Improve the documentation, examples, and best practices, therefore users can understand how to do things."
"Nagios XI can improve its GUI for users with a new look."
"There is a bit of a learning curve during installation."
"The performance reporting could be improved."
"​I would like to better be able to monitor Oracle processes.​"
"Improvement is needed as per customer requirements."
"Look and feel."
"The graphical user interface could be customized a little bit more, and also the dashboard could be more friendly."
"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."
"For us, the initial setup was complex"
 

Pricing and Cost Advice

"Even though Icinga's financial cost is low, it is an expensive product regarding the resources required to maintain and operate it."
"This is an open-source solution with paid support."
"The solution is free to use."
"The solution is cheap."
"The product is inexpensive compared to other DBM products."
"We're using the free version of Icinga."
"It's an open-source solution."
"It is cost-effective, and the return on investment can be very interesting because the price is low."
"The pricing is high with separate licensing for the product and support."
"The pricing is really cost efficient. The licensing is perpetual and can be renewed very easily."
"Nagios XI is an expensive solution."
"The licensing fees for this solution are approximately $3,000 USD per year."
"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."
"This solution is very expensive, at approximately $5,000 USD when I purchased it, which is why I haven't upgraded my version in several years."
"We are using the free version of this solution."
"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."
"It is open source. If you want to have a subscription or official support, you can pay for it. They have different plans, which are not that expensive. The plans are based on per monitoring server, not per monitored equipment. So, it is not at all expensive, and you can also live without the support if you want a cheaper option."
"I use the tool's free version."
"We pay the subscription for support by year."
"We purchased Zabbix for a good price, including support"
"Zabbix is a free solution but the support contact costs money."
"Zabbix and Grafana are both open source products, we only needed to go to their website and download the application and we began to use them. The solutions are free."
"This solution is completely open-source, so it is quite affordable."
"There are no licenses."
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Comparison Review

it_user174738 - PeerSpot reviewer
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
Comms Service Provider
12%
Computer Software Company
11%
Financial Services Firm
10%
Manufacturing Company
9%
Computer Software Company
13%
Financial Services Firm
11%
Manufacturing Company
9%
Government
9%
Computer Software Company
16%
Financial Services Firm
10%
Manufacturing Company
8%
Comms Service Provider
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What do you like most about Icinga?
The best thing about the solution is how it highlights errors, the issues, and what needs my attention. The solution ...
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 do you like most about Nagios XI?
It is an open-source platform with valuable features for performance and stability.
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 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?
We didn't use the commercial version. We used the free version.
What needs improvement with Zabbix?
I think it's the best solution for monitoring. I don't know any better.
 

Comparisons

 

Also Known As

Icinga Cloud Monitoring
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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, SolarWinds and others in Network Monitoring Software. Updated: August 2025.
865,140 professionals have used our research since 2012.