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Nagios Core vs NetFort LANGuardian 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

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 (16th)
NetFort LANGuardian
Ranking in Network Monitoring Software
94th
Average Rating
10.0
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2026, in the Network Monitoring Software category, the mindshare of Nagios Core is 1.3%, down from 2.6% compared to the previous year. The mindshare of NetFort LANGuardian is 0.4%, up from 0.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Nagios Core1.3%
NetFort LANGuardian0.4%
Other98.3%
Network Monitoring Software
 

Featured Reviews

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.
it_user172854 - PeerSpot reviewer
Research Special Projects Lead at a university with 501-1,000 employees
Cost effective but when we originally purchased LANGuardian, some features needed further development.
The ability to detect and decipher torrent traffic for the purpose of identifying what some refer to as "copyright violators" Our CIO asked us to track down the source of undesired uploads, which trigger e-mails received by outside bodies regarding what they refer to as "copyright violations",…

Quotes from Members

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

Pros

"It is fairly easy to set up, and we can monitor pretty much everything we want to."
"The application performance monitoring feature is valuable, and we primarily use it for user experience monitoring and determining which layer the problem happened to resolve it."
"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."
"Open source and very flexible, with a large ecosystem of tools and custom monitors built up around Nagios."
"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."
"It has made the life of the network operations staff more proactive in managing the resources of the infrastructure. It prevents disasters long before they can take place."
"Nagios monitors our servers, so we know if anything goes wrong and can solve the problem before it happens."
"The notifications are definitely one of the most valuable features of Nagios Core. We know what to look for and what to expect when things are down."
"Our CIO asked us to track down the source of undesired uploads, which trigger e-mails received by outside bodies regarding what they refer to as "copyright violations", and Languardian was the most efficient and effective tool for the job."
"If you are looking for a solid solution that can be easily deployed then I'd recommend considering Netfort solutions."
 

Cons

"The initial setup process could be easier."
"I would like to see more training videos."
"We use the free version of Nagios, which needs some administrative skills in order to configure correctly."
"We're using the free version, which limits us in terms of the things that we can do."
"A better UI for graphing would make it better. The present graphs are not very friendly and good to see."
"The alerting mechanism in Nagios Core could be improved."
"We're using the free version, which limits us in terms of the things that we can do. If we had the paid version, a lot of our issues would probably go away. For example, we can't isolate instances that are being built or updated with the production ones. When they're being built, on Nagios, they're showing in red. It'd be nice to be able to partition those off until they're all green, and then we can bring them into the environment. This is probably because we've got the free version and not the paid version. If we went for the paid version, it would probably allow us to do exactly what we want to or remove the restrictions that we have, but if we are able to isolate instances in the free version, it would make life much easier."
"This is the open source product, so it's a toolkit rather than a complete solution."
"It takes a long time to load results. I think it would be great if they fix the slowness issue in the next release."
"Sure, at the time we bought the product, the GUI and graphs/reports/pie charts etc ... were not fully developed."
 

Pricing and Cost Advice

"We are using the free version of Nagios Core."
"We are using the free version."
"I would rate the solution's pricing an eight out of ten."
"It's free."
"Lessening the price point would be an improvement."
"Most the plugin features are free."
"We are using the open-source, unpaid version."
"The enterprise version has technical support. The version we are using is free."
Information not available
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Top Industries

By visitors reading reviews
Comms Service Provider
10%
Manufacturing Company
9%
Outsourcing Company
7%
Financial Services Firm
7%
Comms Service Provider
18%
Construction Company
10%
Financial Services Firm
10%
Healthcare Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise24
No data available
 

Questions from the Community

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...
Ask a question
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Comparisons

 

Also Known As

No data available
LANGuardian
 

Overview

 

Sample Customers

Airbnb, Cisco, PayPal, FanDuel
City of Armadale, NCG Group, King Faisal Hospital
Find out what your peers are saying about Nagios Core vs. NetFort LANGuardian and other solutions. Updated: September 2026.
914,351 professionals have used our research since 2012.