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ExtraHop Reveal(x) for IT Operations vs Nagios Core comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Oct 10, 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

ExtraHop Reveal(x) for IT O...
Ranking in Network Monitoring Software
71st
Average Rating
8.6
Reviews Sentiment
7.3
Number of Reviews
8
Ranking in other categories
Network Diagnostics (11th), IT Operations Analytics (13th), Network Packet Capture (6th)
Nagios Core
Ranking in Network Monitoring Software
19th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
51
Ranking in other categories
IT Infrastructure Monitoring (18th)
 

Mindshare comparison

As of October 2026, in the Network Monitoring Software category, the mindshare of ExtraHop Reveal(x) for IT Operations is 0.6%, up from 0.6% compared to the previous year. The mindshare of Nagios Core is 1.3%, down from 2.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Nagios Core1.3%
ExtraHop Reveal(x) for IT Operations0.6%
Other98.1%
Network Monitoring Software
 

Featured Reviews

Out West - PeerSpot reviewer
Project Manager and IT Management Consultant at a integrator with 1,001-5,000 employees
Great for identifying application interdependencies with helpful support but needs better visualizations
We're just trying to identify the application interdependencies, which normally reside on different servers, including web servers, database servers, enterprise service bus, et cetera, up to your presentation layer before we start moving stuff around. Normally, the reason why we use these tools is to understand what assets we have, where they're deployed, and how they enter and operate before we decide to go move something from point A to point B. The solution is going to allow me to establish a wave or migration plan where you have different waves of migration and then you actually have move groups to try and get your application moved from A to B seamlessly. A to B could be on-premise to on-premise. It could be on-premise to cloud. Et cetera. The solution can tell me what components can I deploy, for example, into a cloud space, without having to refactor my applications since that can be quite time-consuming and costly.
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

"You cannot hide from the wire; all truth lives in the packets, and ExtraHop gets them to talk!"
"It gives you full 360-degree visibility into your entire infrastructure."
"The most valuable feature is the way it handles data, from Layer 2 up to Layer 7. We can see everything that happens in the network."
"We have been able to improve the mean time to resolution by several hours in some cases."
"It's a must-have solution for large IT Operations, providing the ability to analyze infrastructure and application-related performance and data from the wire perspective."
"This is a must-try product."
"Not only can you look at the protocol import level. It also has a live PCAP analysis."
"ExtraHop came out with the best price, and I think that it gives us a broader view of our network."
"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."
"Nagios monitors our servers, so we know if anything goes wrong and can solve the problem before it happens."
"Nagios allows IT staff and end-users to see the status of critical services on the network and can alert and notify selected users if critical services fail, reducing the mean time to recover."
"Nagios Core is a great solution for monitoring pretty much any size of deployment but you do need to know your way around a Linux system to set it up and run it."
"It is fairly easy to set up, and we can monitor pretty much everything we want to."
"We use the product to monitor server applications."
"Inspite of this limitation it is a fantastic product to use at zero cost"
"Its an awesome product to use."
 

Cons

"The improvement that would make the most impact would be expanding on the new EXA big data back end."
"This solution would be improved if it had the ability to retain data longer."
"I would improve the Rule-Based Access Control (RBAC) by providing granular access control to the data."
"We'd like to see a local presence within the region in order to have seamless service whether it's the support, the implementation, or professional services."
"Additional out-of-the-box solutions and use cases would be nice."
"The solution could get more aggressive in the discounting of the overall cost."
"There is room for improvement in the security part. They have a new solution, ExtraHop Reveal(x), and I think it needs improvement."
"They either have to go broad or decide what their bread and butter is and get really good at that."
"Setup is bit complicated due to the large set of libraries it needs, but this may be because it's open source."
"I would like to see more training videos."
"Don't use it. If you're starting from scratch, there are products that scale better and perform better, and they use the same plugin syntax as they were initially Nagios forks."
"They should simplify the features so it becomes easier to setup out of the box."
"Default interface is clunky and slow."
"I like to have the option to configure Nagios using the web interface."
"The core version is no match for the XI version."
"It is a bit slow due to latency."
 

Pricing and Cost Advice

"The pricing is fair considering the value provided."
"The price of this solution for our environment is about £650,000 ($855,000 USD) for three years."
"The pricing is higher than other solutions, but with such good features, I think it's worth it."
"The enterprise version has technical support. The version we are using is free."
"Most the plugin features are free."
"Nagios Core is an open source solution, and there are no licensing fees."
"It's free."
"I would rate the solution's pricing an eight out of ten."
"We have saved a lot of time, money, and effort in reducing disaster times, which is owed to Nagios quick alerting."
"It's free."
"Nagios Core is a cheap solution."
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Outsourcing Company
11%
Construction Company
11%
Healthcare Company
9%
Comms Service Provider
10%
Manufacturing Company
9%
Financial Services Firm
7%
Outsourcing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business3
Midsize Enterprise2
Large Enterprise3
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...
 

Overview

 

Sample Customers

Alaska Airlines, bet365, Concur, McKesson, Microsoft, Morgan Stanley, Practice Fusion, Seattle Children's Hospital, Steward Health Care System
Airbnb, Cisco, PayPal, FanDuel
Find out what your peers are saying about ExtraHop Reveal(x) for IT Operations vs. Nagios Core and other solutions. Updated: September 2026.
915,341 professionals have used our research since 2012.