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FortiMonitor vs Nagios XI comparison

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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
32nd
Ranking in IT Infrastructure Monitoring
41st
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
15
Ranking in other categories
IT Alerting and Incident Management (18th), Digital Experience Monitoring (DEM) (10th)
Nagios XI
Ranking in Network Monitoring Software
16th
Ranking in IT Infrastructure Monitoring
11th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
58
Ranking in other categories
Server Monitoring (7th), Cloud Monitoring Software (19th)
 

Mindshare comparison

As of October 2026, in the IT Infrastructure Monitoring category, the mindshare of FortiMonitor is 0.8%, up from 0.7% compared to the previous year. The mindshare of Nagios XI is 3.6%, up from 3.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring Mindshare Distribution
ProductMindshare (%)
Nagios XI3.6%
FortiMonitor0.8%
Other95.6%
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 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 is really easy to use for monitoring the logs on FortiGate...It is a stable product."
"The solution helps to see client infrastructure. It has many boxes and blinks green or red when the station goes up or down. We have different domains for the device groups that we monitor."
"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, blocked sites, and the health of our hardware. That last part, about knowing if something's going to fail soon, is super important. It gives us time to sort things out before any big problems happen. As a system engineer, I need to keep tabs on everything – temperature, monitoring systems, and network operations. This data is really handy because it helps me ensure our site runs smoothly, whether it's turning systems on or off. Just last night, there was a system failure, but thanks to real-time monitoring, I quickly identified the problem and got the necessary replacement parts."
"It provides the best firewall features."
"FortiMonitor's dashboard is very informative and user-friendly."
"FortiMonitor has a very intuitive dashboard, which makes it particularly helpful for analyzing traffic, alerts, and other information."
"Fortinet's customer support is very good."
"Nagios XI is easy to install, which sets it apart from other open-source solutions I've tried."
"I really found Nagios a perfect fit for us and a good product to work with."
"The solution's most valuable feature is its simplicity."
"The most valuable feature is its support for different types of devices, where it can use all of the equipment that you need."
"The ROI is very good."
"The alerting system is very effective."
"The most valuable feature is the dashboard, where I can have a single screen that provides a summary for hundreds of servers."
"Simplicity of configuration; I can set up configuration of 100 devices with about 10 services in one to two days."
 

Cons

"There are areas for improvement that FortiManager is addressing."
"FortiMonitor could be improved by making it more convenient for smaller workloads, such as when configuring a few branches."
"The tool's price in Vietnam is high, making it an area of concern where improvements can be made."
"The solution's initial setup process is time-consuming."
"FortiMonitor could improve by having compatibility with other operating systems, such as Linux."
"Sometimes, during high CPU usage, we cannot access FortiMonitor and must refresh it."
"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."
"For our type of country, it is always expensive, but it has competitive pricing."
"Implementation on Windows was painful."
"I would like to see support for notification via SMS."
"We'd like to see more integration capabilities."
"For some, it may be difficult to deploy."
"The GUI could be improved. It's a bit too basic, and maybe having a GraphQL interface would resolve this."
"I would like to see more customization in the network map because it is a bit tricky to use it."
"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."
 

Pricing and Cost Advice

"The price of FortiMonitor is approximately $200 annually for 225 users. The price is competitive."
"Compared to other solutions, FortiMonitor is a very expensive solution."
"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."
"We have a large customer base for Fortinet, and the additional buying power got us really great discounts."
"The tool's pricing model in Vietnam is a bit high. I rate the product price as an eight out of ten."
"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."
"FortiMonitor's price is very high."
"There are additional costs needed for certain functionality, such as scalability."
"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."
"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."
"Licensing costs are reasonable."
"You can grow into the higher-priced scale as they learn how to utilize the features for Nagios XI."
"Nagios XI is open source."
"The licensing fees for this solution are approximately $3,000 USD per year."
"Nagios XI is an expensive 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."
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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
Financial Services Firm
10%
Comms Service Provider
9%
Healthcare Company
8%
Construction Company
8%
Comms Service Provider
11%
Outsourcing Company
9%
Financial Services Firm
8%
Manufacturing Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business9
Midsize Enterprise2
Large Enterprise5
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 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 needs improvement with FortiMonitor?
There are areas for improvement that FortiManager is addressing. We have not yet upgraded to the latest software versions, being a full revision behind, but we plan to update soon since the current...
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 2026.
917,433 professionals have used our research since 2012.