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Nagios Core vs NetFort LANGuardian comparison

 

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 August 2026, in the Network Monitoring Software category, the mindshare of Nagios Core is 1.4%, down from 2.7% 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 Core1.4%
NetFort LANGuardian0.4%
Other98.2%
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

"The poller is really good, I can easily implement new stuff and it is scalable."
"The solution is very complete and mostly easy to manage."
"Inspite of this limitation it is a fantastic product to use at zero cost"
"The most valuable feature of Nagios Core is the ability to check the availability of the server for network connectivity. Additionally, the interface is good."
"Dashboard provides monitor of total assets."
"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."
"The most valuable features are the reports and the way it generates the report in a graphical manner."
"I like that it's very simple to install, easy to manage and deploy, and easy to use for monitoring."
"If you are looking for a solid solution that can be easily deployed then I'd recommend considering Netfort solutions."
"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."
 

Cons

"Generally, it does what I need it to do, but better error reporting would be great."
"The dashboard should be improved."
"Setup is bit complicated due to the large set of libraries it needs, but this may be because it's open source."
"Cloud monitoring is an area for improvement because there aren't too many plugins available."
"Nagios' great customizability is also one of its greatest drawback."
"Nagios SLA. I'm currently working on Nagios Digger, which has many code-level problems."
"Default interface is clunky and slow."
"Nagios Core could improve by adding a user interface. If you want the user interface you have to use Nagios XI."
"Sure, at the time we bought the product, the GUI and graphs/reports/pie charts etc ... were not fully developed."
"It takes a long time to load results. I think it would be great if they fix the slowness issue in the next release."
 

Pricing and Cost Advice

"Most the plugin features are free."
"The solution is expensive."
"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."
"We have saved a lot of time, money, and effort in reducing disaster times, which is owed to Nagios quick alerting."
"We are using the free version of Nagios Core."
"The product is cheaply priced."
"Nagios Core is an open source solution, and there are no licensing fees."
"Lessening the price point would be an improvement."
Information not available
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Top Industries

By visitors reading reviews
Comms Service Provider
10%
Manufacturing Company
9%
Financial Services Firm
8%
Construction Company
7%
Financial Services Firm
14%
Comms Service Provider
14%
Construction Company
10%
Outsourcing 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
Earn 20 points
 

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: August 2026.
908,800 professionals have used our research since 2012.