FortiMonitor vs Nagios Core comparison

Fortinet and Nagios are both solutions in the Network Monitoring Software category. Fortinet is ranked #21 with an average rating of 8.3, while Nagios is ranked #12 with an average rating of 8.2. Fortinet holds a 0.7% mindshare in NMS, compared to Nagios’s 2.9% mindshare. Additionally, 100% of Fortinet users are willing to recommend the solution, compared to 80% of Nagios users who would recommend it.

FortiMonitor

Read 15 FortiMonitor reviews

1,335 Views
556 Comparison Views

100% willing to recommend

Nagios Core

Read 51 Nagios Core reviews

4,123 Views
1,862 Comparison Views

80% willing to recommend

FortiMonitor

Nagios Core

Comparison Buyer's Guide

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Executive SummaryUpdated on Oct 9, 2024

Nagios Core and FortiMonitor are competitors in network monitoring. FortiMonitor seems to have the advantage due to its advanced feature set.

Features: Nagios Core offers open-source versatility, extensive plugin support, and alerting mechanisms. FortiMonitor provides cloud-based monitoring, automated remediation, and flexible scaling options.

Room for Improvement: Nagios Core could improve user interface, automated management, and scaling capabilities. FortiMonitor may focus on enhancing customization, integration options, and reducing dependence on a cloud-only model.

Ease of Deployment and Customer Service: Nagios Core requires significant setup time and technical knowledge. FortiMonitor supports a straightforward deployment with comprehensive technical support.

Pricing and ROI: Nagios Core's low initial costs are offset by infrastructure and maintenance expenses. FortiMonitor uses a subscription model offering higher ROI through reduced downtime.

To learn more, read our detailed FortiMonitor vs. Nagios Core Report (Updated: May 2025).

Buyer's Guide

FortiMonitor vs. Nagios Core

May 2025

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Helped 857,028 peers since 2012

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

24th

Average Rating

8.4

Reviews Sentiment

7.1

Number of Reviews

Ranking in other categories

IT Alerting and Incident Management (9th), Digital Experience Monitoring (DEM) (4th)

Nagios Core

Ranking in Network Monitoring Software

12th

Ranking in IT Infrastructure Monitoring

10th

Average Rating

8.2

Reviews Sentiment

7.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of June 2025, in the Network Monitoring Software category, the mindshare of FortiMonitor is 0.7%, up from 0.7% compared to the previous year. The mindshare of Nagios Core is 2.9%, down from 3.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Network Monitoring Software

Featured Reviews

JaimeVasquez

Commercial Manager at IT-Experience

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…

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Nishith-Vyas

Tech Lead at STL Digital Limited

Valuable reporting and alert system with room for PDF export improvements

The NetEase reporting structure needs improvement, especially the availability report, which is weak. It should be generated automatically with minimal human intervention and should be exportable as a PDF. Besides that, an integrated PDF export feature for reports is necessary. Also, the alert mechanism and graphing mechanism need to be integrated properly into Nagios Core. Currently, integrating these requires advanced Linux knowledge. Integration of more visualization tools like Grafana and Prometheus for better graphing and visualization is also recommended.

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Quotes from Members

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

Pros

"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."

"With FortiMonitor, you can get all the logs of the traffic information of the destination or the source."

"It provides the best firewall features."

"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."

"Fortinet's customer support is very good."

"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 offers comprehensive monitoring capabilities, allowing me to track network traffic in and out effectively."

"Overall, I would recommend FortiMonitor to others."

More FortiMonitor pros

"Nagios Core is stable."

"Nagios Core integrates with tools like Splunk, Datadog, or Dynatrace. It is usually used as a feed to provide more technical information about devices or hosts to another system."

"Key features include the GUI interface, its notification capabilities, and the real-time reporting."

"The application performance monitoring feature is valuable."

"The solution's most valuable feature is that it offers proper alerting capabilities."

"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."

"The most valuable feature is the performance parameters of the system."

"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."

More Nagios Core pros

Cons

"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."

"Sometimes, we get corruption when upgrading from firmware to the new generation, causing a lot of issues."

"There are no AI features in FortiMonitor, which might be an area for enhancement."

"The solution's initial setup process is time-consuming."

"FortiMonitor could be improved by making it more convenient for smaller workloads, such as when configuring a few branches."

"FortiMonitor's monitoring could be much better. It should be like, in Palo Alto."

"FortiMonitor could be improved by making it more convenient for smaller workloads, such as when configuring a few branches."

". Enhancements in the dashboard, such as clearer alerting, maintenance window management, software version tracking, and better visualization, would be beneficial."

More FortiMonitor cons

"The interface could be improved."

"I would like to see a sensor that shows the traffic of a user and what they're doing on the network."

"I believe Nagios Core will need to provide an option for big data platforms in the future."

"Would benefit from aggregations if a particular server goes down."

"Making it a little easier to configure and set up from the start would help. There are multiple layers that you have to wade through to be able to set it up, to do it the right way, and to get it to do what you want it to do."

"It would be nice if the company offered a sales or contract manager that was dedicated to our company so that we would have some sort of link to Nagios, and if we had issues or questions, we'd be able to contact them directly."

"The mapping is a little hard."

"Nagios Core can improve the graphical interface, it would make things a little easier."

More Nagios Core cons

Pricing and Cost Advice

"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."

"The price of FortiMonitor is approximately $200 annually for 225 users. The price is competitive."

"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."

"There are additional costs needed for certain functionality, such as scalability."

"We have a large customer base for Fortinet, and the additional buying power got us really great discounts."

"FortiMonitor's price is very high."

"The tool's pricing model in Vietnam is a bit high. I rate the product price as an eight out of ten."

"It's free."

"The Nagios Core (PNP4Nagios + Core) is free and can be setup by Netadmin within a few hours. The only additional cost is the cloud server."

"It's free."

"Most the plugin features are free."

"We are using the free version of Nagios Core."

"We are using the open-source, unpaid version."

"The product is cheaply priced."

"Nagios Core is free to use."

More Nagios Core pricing and cost advice

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Top Industries

By visitors reading reviews

Computer Software Company

28%

Manufacturing Company

Healthcare Company

Retailer

Computer Software Company

15%

Government

10%

Financial Services Firm

Manufacturing Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

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...

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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...

See all answers

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.

See all answers

What do you like most about Nagios Core?

What I like about Nagios Core is that it helps me ensure everything is running smoothly by checking the status of hosts and services.

See all answers

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.

See all answers

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.

See all answers

Comparisons

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Compared 24% of the time

Datadog vs FortiMonitor

Compared 17% of the time

Zabbix vs FortiMonitor

Compared 16% of the time

SolarWinds Network Device Monitor vs FortiMonitor

Compared 14% of the time

PRTG Network Monitor vs FortiMonitor

Compared 11% of the time

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Icinga vs Nagios Core

Compared 25% of the time

Nagios XI vs Nagios Core

Compared 16% of the time

Zabbix vs Nagios Core

Compared 13% of the time

Centreon vs Nagios Core

Compared 8% of the time

Checkmk vs Nagios Core

Compared 4% of the time

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Product Reports

Buyer's Guide

Digital Experience Monitoring (DEM)

May 2025

Download FortiMonitor product report

Buyer's Guide

Nagios Core

May 2025

Download Nagios Core product report

Also Known As

Panopta

No data available

Overview

FortiMonitor is a comprehensive, SaaS-based digital experience monitoring (DEM) platform that helps organizations modernize their performance-monitoring tools. It provides visibility into endpoint application performance and digital experience—no matter where the user resides or where the application is hosted.

Fortinet

This is IT infrastructure monitoring's industry-standard, open-source core. Free without professional support services.

Nagios

Sample Customers

SONY, GoDaddy, HCL, ING, ARMOR, billboard

Airbnb, Cisco, PayPal, FanDuel

Buyer's Guide

FortiMonitor vs. Nagios Core

May 2025

Free Report: FortiMonitor vs. Nagios Core

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