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Nagios Core vs NetCrunch 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

Nagios Core
Ranking in Network Monitoring Software
19th
Ranking in IT Infrastructure Monitoring
16th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
51
Ranking in other categories
No ranking in other categories
NetCrunch
Ranking in Network Monitoring Software
73rd
Ranking in IT Infrastructure Monitoring
60th
Average Rating
8.0
Number of Reviews
3
Ranking in other categories
Server Monitoring (27th), Log Management (52nd)
 

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 NetCrunch is 0.7%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Nagios Core1.3%
NetCrunch0.7%
Other98.0%
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_user1038504 - PeerSpot reviewer
Senior Systems Administrator, Technical Lead at Connectivity Wireless
A network monitoring platform with a useful reporting feature, but permission-based options could be better
The initial setup is fairly easy. Most of it's wizard-based. You don't have to be a rocket scientist to set it up. But if you don't know certain things related to protocols and everything else, it might be difficult. If you know how SNMP works, it'll be fairly simple to set up.

Quotes from Members

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

Pros

"We have the ability right now to see and create reports to tell whether or not we're meeting our SLAs on our production servers, through it."
"The features of Nagios Core that we find most valuable are the plugins we use, we can check the uptime and see how many servers and routers and create groups accordingly."
"The most valuable feature is the performance parameters of the system."
"Open source and very flexible, with a large ecosystem of tools and custom monitors built up around Nagios."
"Dashboard provides monitor of total assets."
"We've got a medium size distributed system with a lot of locally installed machines, and Nagios provides us with a solid and reliable monitoring solution for these machines."
"This product covers all of our infrastructure health checks, and has triggers for us to alert us to any unusual behaviour of the monitored systems."
"Nagios Core is very configurable. Whatever you want, you can do it."
"Reporting on NetCrunch is pretty good; it's very similar to SolarWinds, just with a different interface, and the majority of everything there was beneficial."
"The setup is very intuitive and quick - it all just took a few minutes we were done."
 

Cons

"The NetEase reporting structure needs improvement, especially the availability report, which is weak."
"Application level monitoring is limited."
"The dashboard and monitoring features could be improved."
"t was a little hard to get our setup represented in the configuration."
"Nagios Core is not easy to use, so I don't recommend it for everyone."
"There is room for improvement in the graphics."
"The user interface could be more interactive because it is pretty basic."
"It would be nice if it was hosted in cloud. Also, they need to improve the graphs."
"Our network is made up of a lot of Cisco devices, and it needs improvements."
"I didn't care for the role-based, permission-based options, which were not the best."
 

Pricing and Cost Advice

"We have saved a lot of time, money, and effort in reducing disaster times, which is owed to Nagios quick alerting."
"It's free."
"The solution is expensive."
"We are using the open-source, unpaid version."
"Nagios Core is an open source solution, and there are no licensing fees."
"Most the plugin features are 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."
"We are using the free version."
Information not available
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Top Industries

By visitors reading reviews
Comms Service Provider
10%
Manufacturing Company
8%
Financial Services Firm
7%
Outsourcing Company
7%
Construction Company
22%
Comms Service Provider
15%
Manufacturing Company
10%
Financial Services Firm
6%
 

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...
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Comparisons

 

Overview

 

Sample Customers

Airbnb, Cisco, PayPal, FanDuel
manufacturing, banking, utilities, energy, universities, healthcare institutions, school districts, military and police entities, non-profit organizations, 
Find out what your peers are saying about Nagios Core vs. NetCrunch and other solutions. Updated: September 2026.
913,924 professionals have used our research since 2012.