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FortiMonitor vs Nagios XI 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

FortiMonitor
Ranking in Network Monitoring Software
21st
Ranking in IT Infrastructure Monitoring
23rd
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
15
Ranking in other categories
IT Alerting and Incident Management (12th), Digital Experience Monitoring (DEM) (7th)
Nagios XI
Ranking in Network Monitoring Software
23rd
Ranking in IT Infrastructure Monitoring
25th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
58
Ranking in other categories
Server Monitoring (13th), Cloud Monitoring Software (25th)
 

Mindshare comparison

As of February 2026, in the IT Infrastructure Monitoring category, the mindshare of FortiMonitor is 0.8%, up from 0.6% compared to the previous year. The mindshare of Nagios XI is 3.1%, down from 3.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring Market Share Distribution
ProductMarket Share (%)
FortiMonitor0.8%
Nagios XI3.1%
Other96.1%
IT Infrastructure Monitoring
 

Featured Reviews

reviewer2677554 - PeerSpot reviewer
Network Engineer III at a energy/utilities company with 1,001-5,000 employees
Managing diverse networks with detailed alerts enhances device oversight
FortiManager is very helpful in managing our networks. We use it to manage 20 farms and various networks with hundreds of devices. The version we are using provides more detail than the older dashboard. We appreciate the alerting capabilities, which are integrated with SolarWinds to notify our team via SMS.
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.

Quotes from Members

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

Pros

"The product's initial setup phase is easy."
"FortiMonitor is 100% stable."
"The most valuable feature of this solution is what the devices are used for. We have big backups for our Cradlepoint solutions, but FortiMonitor is a great routing device and we love working with them."
"It provides the best firewall features."
"The tool continuously improves, adapting to support new vendors and technologies. Importantly, it automates the process, triggering alerts when devices require attention, and eliminating the need for manual intervention."
"FortiMonitor's dashboard is very informative and user-friendly."
"The most valuable feature of FortiMonitor is the overall ability to monitor the health of the environment."
"FortiMonitor offers comprehensive monitoring capabilities, allowing me to track network traffic in and out effectively."
"The ability to set up templates and groups of checks, as well as customize the checks themselves."
"The technical support is good."
"Nagios XI is a simple monitoring tool with performance management."
"Nagios is a custom API manager, and we can expose custom APIs for our integration. This is a great feature."
"The most valuable feature is the monitoring of processes."
"It's great for monitoring IT services infrastructure."
"Nagios XI helps us monitor the bandwidth of the internet connection, HTTP, DNS, active directory services, and exchange data availability. We have multiple servers to monitor databases, availability of servers, and ping."
"The features I've found the most useful are the plug-ins, the fact that you can connect almost everything to it. That's very useful."
 

Cons

"FortiMonitor needs to improve its alert system."
"The tool's price in Vietnam is high, making it an area of concern where improvements can be made."
"We use FortiToken, and it's a pain to use because you have to send things through your phone and then confirm by email. Only after this can you log in. It's dual-factor authentication. I wish that I could just log in or bring up a dashboard where I could log in from."
"There are no AI features in FortiMonitor, which might be an area for enhancement."
"FortiMonitor could improve by having compatibility with other operating systems, such as Linux."
"The solution's initial setup process is time-consuming."
"FortiMonitor's monitoring could be much better. It should be like, in Palo Alto."
"Sometimes, we get corruption when upgrading from firmware to the new generation, causing a lot of issues."
"I would like to be able to extend it to all of our data centers, whether they are in the cloud or not. It would be helpful if I could connect everywhere."
"I would like to see more customization in the network map because it is a bit tricky to use it."
"Nagios XI can improve network and hardware monitoring, these parameters should be simplified to allow usage for monitoring. Additionally, if there was automatic reporting it would be helpful."
"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."
"The tool's AI model needs to be fixed."
"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."
"The GUI could be improved."
"The pricing has recently risen. I know they've changed what is covered under the license, however, it doesn't change the way we use it and adds nothing to our experience, and yet we now have to pay more."
 

Pricing and Cost Advice

"The tool's pricing model in Vietnam is a bit high. I rate the product price as an eight out of ten."
"FortiMonitor's price is very high."
"There are additional costs needed for certain functionality, such as scalability."
"On a scale from one to ten, I rate the pricing a nine since it is a good solution that is available at a cheap price."
"We have a large customer base for Fortinet, and the additional buying power got us really great discounts."
"In terms of licensing, while it may not be the most expensive option on the market, it's relatively cost-effective. You can obtain licenses at a lower cost, with the calculation being straightforward. For example, if you onboard around 5,000 devices, you'll need approximately 5,000 licenses, as each device typically counts as one license."
"Compared to other solutions, FortiMonitor is a very expensive solution."
"The price of FortiMonitor is approximately $200 annually for 225 users. The price is competitive."
"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."
"You can grow into the higher-priced scale as they learn how to utilize the features for Nagios XI."
"We are using the free version of this solution."
"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."
"Nagios XI is an expensive solution."
"The licensing fees for this solution are approximately $3,000 USD per year."
"Nagios XI is open source."
"It is good to contact experts for advice about what is the best solution for your specific infrastructure and enterprise."
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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
Computer Software Company
11%
Manufacturing Company
8%
Healthcare Company
8%
Financial Services Firm
6%
Financial Services Firm
11%
Computer Software Company
10%
Manufacturing Company
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise2
Large Enterprise6
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise17
Large Enterprise21
 

Questions from the Community

What is the best network monitoring software for large enterprises?
I have a clear bias because I work for Panopta. We aren't a fit for everyone, but I can confirm that Panopta is a lot less work to stand up and maintain. It's also a lot easier to use and onboard n...
What do you like most about FortiMonitor?
In FortiMonitor, we're linked up with our Netgear, CactusServer, and NOC. It's really valuable because everything's migrating to one dashboard for us system engineers. We can keep an eye on traffic...
What is your experience regarding pricing and costs for FortiMonitor?
FortiMonitor does save time but not significantly on costs, as there are still expenses related to procurement, installation, and licensing.
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 monitoring our server performance, including CPU, memory, data, and services runnin...
 

Comparisons

 

Also Known As

Panopta
No data available
 

Overview

 

Sample Customers

SONY, GoDaddy, HCL, ING, ARMOR, billboard
Nagios has over one million users globally, including AOL, DHL, McAfee, MCI, MTV, Yahoo!, Universal, Toshiba, Sony, Siemens, and JPMorgan Chase.
Find out what your peers are saying about FortiMonitor vs. Nagios XI and other solutions. Updated: February 2026.
881,757 professionals have used our research since 2012.