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Icinga vs Nagios Core comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 9, 2024

Review summaries and opinions

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

Categories and Ranking

Icinga
Ranking in Network Monitoring Software
41st
Ranking in IT Infrastructure Monitoring
48th
Average Rating
7.6
Reviews Sentiment
6.1
Number of Reviews
17
Ranking in other categories
Server Monitoring (17th), Cloud Monitoring Software (32nd)
Nagios Core
Ranking in Network Monitoring Software
19th
Ranking in IT Infrastructure Monitoring
16th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
51
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of August 2026, in the Network Monitoring Software category, the mindshare of Icinga is 1.1%, down from 3.1% compared to the previous year. The mindshare of Nagios Core is 1.4%, down from 2.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Nagios Core1.4%
Icinga1.1%
Other97.5%
Network Monitoring Software
 

Featured Reviews

reviewer2292201 - PeerSpot reviewer
Innovation Service Manager at a tech services company with 201-500 employees
Easy to use, and it's possible to customize the product as per the needs we may have but average multi-tenancy aspect
It's supported by the community. We use Icinga, which is not part of the Open-Source platform but is wrapped into a commercial solution from another provider, a local provider in Italy. Icinga is an open-source platform, so it is supported by the community. It's quite easy to use, and it's possible to customize the product as per the needs we may have. So it's not expensive, and it's quite a general purpose. We can easily monitor any kind of infrastructure we encounter. 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. The alerting is the same as any other monitoring platform. It's not a "wow" feature that has changed our lives, but it's perfectly adequate.
HY
Senior System Administrator at Interactive Group
Monitoring solution provides comprehensive visibility across IT infrastructure
The good thing about Nagios Core is it covers everything. Everything in the IT domain, you can monitor anything. You can even monitor printers, the ports of printers, Core workstations, and storage. You can monitor the workflow Core and the utilization of computes. If you want to grasp everything of your IT equipment on a single interface, you can use Nagios. It's the best one. It provides dashboards, and you can also configure your emails and alerts with it. If something is critical, you can configure it to notify via emails. It has a very handy dashboard, providing live alerts and visibility for everything.

Quotes from Members

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

Pros

"The drafts are easy but what I like about Icinga is that there are many add-ons that you can download."
"Icinga does the job and is fairly stable."
"The value of Icinga is that it has hundreds of plugins, so it's really easy to monitor pretty much anything."
"Macros and the ability to connect it to Google Maps are valuable features."
"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 have found the solution to be stable."
"An affordable solution for small organizations to do basic network monitoring."
"I use it for monitoring infrastructure and it was very good for that issue."
"Other products are good but from the configuration point of view Nagios is really very lightweight. The price is really good in my opinion. Another important thing is that my Nagios engine still works with Dual core 8GB ram for the last 10 years."
"We have used this product now for quite some time and we are happy with it."
"The most valuable feature of Nagios Core is it allows us to develop and add as many plugins as we want."
"Alert calls occur anytime a service goes down or a matrix is difficult and that helps us to quickly restore service and transfer work."
"Nagios Core is stable."
"Dashboard provides monitor of total assets."
"The most valuable feature depends on the project. It's great if you need to check to ensure a service is running 24/7. I can use the full solution for free, and it's flexible. If I need to add a dashboard, I can integrate it with Nagios. Cloud synchronization is wonderful."
"This is a fit for purpose product which means that if you have a definite list of requirements and are not willing, or unable, to spend money on big enterprise tools, then Nagios is a tool to go to."
 

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."
"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."
"It needs Trap SNMP. I saw the documentation for Zabbix, that it has its own built-in product which handles SNMP traps, and there's nothing similar in Icinga or Nagios. I think this feature is most important for me."
"The installation and configuration are very complex."
"There is room for improvement in multi-tenancy. It's not perfect, not even really good. It's average, but it should be improved."
"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."
"The user interface should be improved."
"Icinga’s automation could be improved."
"There is room for improvement in the graphics."
"The dashboard and monitoring features could be improved."
"Default interface is clunky and slow."
"Application level monitoring is limited."
"The mapping is a little hard."
"I believe Nagios Core will need to provide an option for big data platforms in the future."
"The core version is no match for the XI version."
"It is a bit slow due to latency."
 

Pricing and Cost Advice

"The product is inexpensive compared to other DBM products."
"This is an open-source solution with paid support."
"We're using the free version of Icinga."
"The solution is cheap."
"It is cost-effective, and the return on investment can be very interesting because the price is low."
"It's an open-source solution."
"The solution is free to use."
"Even though Icinga's financial cost is low, it is an expensive product regarding the resources required to maintain and operate it."
"The solution is expensive."
"Most the plugin features are free."
"We are using the open-source, unpaid version."
"We are using the free version."
"I would rate the solution's pricing an eight out of ten."
"We are using the free version of Nagios Core."
"We have saved a lot of time, money, and effort in reducing disaster times, which is owed to Nagios quick alerting."
"Lessening the price point would be an improvement."
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Top Industries

By visitors reading reviews
Educational Organization
14%
Comms Service Provider
11%
Financial Services Firm
10%
University
9%
Comms Service Provider
9%
Manufacturing Company
9%
Financial Services Firm
8%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise4
Large Enterprise8
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise24
 

Questions from the Community

Ask a question
Earn 20 points
What is your experience regarding pricing and costs for Nagios Core?
Nagios Core is a free and open-source product. We don't charge for the product itself, but we charge for the man-hour costs related to installation, configuration, ongoing operation, and maintenance.
What needs improvement with Nagios Core?
The dashboard should be improved. It's very simple. I don't have a very clear or specific suggestion. You can change the skin of the dashboard, however, it's good for me.
What is your primary use case for Nagios Core?
I was a senior system administrator. I've been using Nagios Core for more than ten years now. It can be used to monitor hosts, such as machines, and monitor services of any kind. I'm using it to mo...
 

Comparisons

 

Also Known As

Icinga Cloud Monitoring
No data available
 

Overview

 

Sample Customers

Puppet Labs, Audi, Spacex, Debian, Snapdeal, McGill, RIPE Network Coordination Centre
Airbnb, Cisco, PayPal, FanDuel
Find out what your peers are saying about Icinga vs. Nagios Core and other solutions. Updated: June 2026.
907,768 professionals have used our research since 2012.