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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
22nd
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
15
Ranking in other categories
IT Alerting and Incident Management (9th), Digital Experience Monitoring (DEM) (7th)
Nagios XI
Ranking in Network Monitoring Software
25th
Ranking in IT Infrastructure Monitoring
28th
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 October 2025, in the IT Infrastructure Monitoring category, the mindshare of FortiMonitor is 0.7%, up from 0.6% compared to the previous year. The mindshare of Nagios XI is 3.5%, down from 3.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring Market Share Distribution
ProductMarket Share (%)
FortiMonitor0.7%
Nagios XI3.5%
Other95.8%
IT Infrastructure Monitoring
 

Featured Reviews

JaimeVasquez - PeerSpot reviewer
Monitoring capabilities keep operations running smoothly and alerts enhance proactive system management
We use FortiMonitor to monitor the infrastructure of our customers. We check on what is happening with their operations, monitor bandwidth, ensure configurations are appropriate for the customer, and identify if anything is going wrong The most valuable features of FortiMonitor are its redundancy…
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.

Quotes from Members

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

Pros

"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."
"The product's initial setup phase is easy."
"Fortinet's customer support is very good."
"FortiMonitor is really easy to use for monitoring the logs on FortiGate...It is a stable product."
"Overall, I would recommend FortiMonitor to others."
"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."
"FortiMonitor is 100% stable."
"It's great for monitoring IT services infrastructure."
"Nagios XI is easy to install, which sets it apart from other open-source solutions I've tried."
"The ability to set up templates and groups of checks, as well as customize the checks themselves."
"The Script Module in Nagios is really easy to use and is really cost efficient."
"The installation is no problem. I've installed Nagios several times."
"The most valuable feature is the monitoring of processes."
"Nagios XI is a simple monitoring tool with performance management."
"The most valuable feature is the dashboard, where I can have a single screen that provides a summary for hundreds of servers."
 

Cons

"Additionally, there are no AI features in FortiMonitor, which might be an area for enhancement."
"FortiMonitor could be improved by making it more convenient for smaller workloads, such as when configuring a few branches."
"I think the current features are really good for me, nothing else comes to mind right now. Maybe some small improvements could be made in the customization and configuration part of the UI to make it easier or more intuitive. Customizable UI options, like we saw in the demo, could be helpful for everyone. But in our operational environment, having clear health status and system details is crucial for us system engineers. One feature I'd really like to see is a credential management system. It would help us keep track of who's logged in and how many times, which is important due to user restrictions. Sometimes, we need to manage logins more efficiently, like logging off other users to free up credentials. So having a feature like that would be really helpful."
"FortiMonitor could improve by having compatibility with other operating systems, such as Linux."
"FortiMonitor's monitoring could be much better. It should be like, in Palo Alto."
"Sometimes, during high CPU usage, we cannot access FortiMonitor and must refresh it."
"There is room for improvement in the FortiMonitor report. It is not ideal for showcasing to tech customers or managers, especially when trying to display high CPU usage from logins within a specific range of months or the most recent month."
"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."
"The scalability of Nagios XI is scalable. However, it is not easy to do."
"The Configuration Wizard needs improvement, because not all vendors are present."
"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."
"There's room for improvement in the visibility, and in the ability to extract information. Stuff like this should be more simple."
"They need more documentation for the plugins."
"Open-source software is usually not user-friendly."
"The product's stability could be even better."
"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."
 

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."
"We have a large customer base for Fortinet, and the additional buying power got us really great discounts."
"The price of FortiMonitor is approximately $200 annually for 225 users. The price is competitive."
"FortiMonitor's price is very high."
"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."
"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."
"Compared to other solutions, FortiMonitor is a very expensive solution."
"There are additional costs needed for certain functionality, such as scalability."
"Nagios XI is open source."
"You can grow into the higher-priced scale as they learn how to utilize the features for Nagios XI."
"The licensing fees for this solution are approximately $3,000 USD per year."
"The pricing is high with separate licensing for the product and support."
"As it is not an agentless tool, I think it is expensive."
"Licensing costs are reasonable."
"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 Core does not have any payment, but Nagios XI requires payment for the license."
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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
Computer Software Company
26%
Manufacturing Company
8%
Healthcare Company
7%
Retailer
5%
Computer Software Company
13%
Financial Services Firm
11%
Manufacturing Company
9%
Government
8%
 

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: September 2025.
869,760 professionals have used our research since 2012.