Centerity Monitor vs Nagios Core comparison

Centerity Systems and Nagios are both solutions in the IT Infrastructure Monitoring category. Centerity Systems is ranked #72, while Nagios is ranked #10 with an average rating of 8.7. Centerity Systems holds a 0.4% mindshare in IM, compared to Nagios’s 2.3% mindshare. Additionally, 100% of Centerity Systems users are willing to recommend the solution, compared to 80% of Nagios users who would recommend it.

Centerity Monitor

Read 2 Centerity Monitor reviews

468 Views
463 Comparison Views

100% willing to recommend

Nagios Core

Read 52 Nagios Core reviews

5,072 Views
3,855 Comparison Views

80% willing to recommend

Centerity Monitor

Nagios Core

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Executive SummaryUpdated on Oct 9, 2024

Centerity Monitor and Nagios Core are competing in the IT monitoring space. Centerity Monitor appears to have the upper hand with its built-in analytics and automated insights, whereas Nagios Core offers superior customization and a strong plugin ecosystem.

Features: Centerity Monitor provides real-time performance analytics, automated incident response, and comprehensive monitoring solutions. Nagios Core offers flexibility, a wide range of plugins, and customizable monitoring setups.

Room for Improvement: Centerity Monitor could enhance compatibility with third-party tools, offer broader customization options, and improve the granularity of monitoring metrics. Nagios Core should simplify its installation process, provide more comprehensive out-of-the-box features, and enhance its user interface for ease of use.

Ease of Deployment and Customer Service: Centerity Monitor provides a streamlined deployment experience with dedicated support for quick setup. Nagios Core, while offering a more manual installation, benefits users familiar with open-source systems, allowing for extensive customization and self-service support.

Pricing and ROI: Centerity Monitor justifies its set-up costs with high ROI due to automation and a comprehensive dashboard. Nagios Core, as an open-source solution, requires minimal initial costs but accumulates additional expenses for plugins and customizations.

To learn more, read our detailed Centerity Monitor vs. Nagios Core Report (Updated: January 2026).

Buyer's Guide

Centerity Monitor vs. Nagios Core

January 2026

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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

Centerity Monitor

Ranking in IT Infrastructure Monitoring

72nd

Average Rating

7.0

Number of Reviews

Ranking in other categories

No ranking in other categories

Nagios Core

Ranking in IT Infrastructure Monitoring

10th

Average Rating

8.2

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

Network Monitoring Software (10th)

Mindshare comparison

As of February 2026, in the IT Infrastructure Monitoring category, the mindshare of Centerity Monitor is 0.4%, up from 0.1% compared to the previous year. The mindshare of Nagios Core is 2.3%, down from 3.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.

IT Infrastructure Monitoring Market Share Distribution
Product	Market Share (%)
Nagios Core	2.3%
Centerity Monitor	0.4%
Other	97.3%

IT Infrastructure Monitoring

Featured Reviews

reviewer1312155

Andean Region Manager at a consultancy with 1-10 employees

A user-friendly solution that comes with a valuable machine learning feature

We use Centerity to monitor some business views related with ERP systems. For example we use this monitor to mesure electronic billing process. As a part of digital Transformation process coporation automates some process to avoid delays and human mistakes and we incorporated Centerity Platform to…

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Kumar Shivam

Site Reliability Engineer 2 at a tech vendor with 1,001-5,000 employees

Proactive monitoring has reduced outages and now improves response times and uptime

When considering how Nagios Core can be improved, I believe there is not much that needs improvement because it already has great features compared to other monitoring applications. However, better UI and UX could enhance the experience. Nagios Core's web interface tends to be quite old and not very user-friendly, with complex navigation and basic dashboards that can be hard for beginners to understand quickly. A modern dashboard with better visualization, graphs, and easier navigation could significantly enhance troubleshooting efficiency. Additionally, improvements in scalability for large environments could be beneficial since in very large infrastructures, the configuration can become complex, and performance tuning is often required.

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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 machine learning feature is valuable."

"Dashboard provides monitor of total assets."

"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 most valuable feature of Nagios Core is it allows us to develop and add as many plugins as we want."

"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."

"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."

"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."

"Monitoring with Nagios Core is helpful because it provides immediate alerts if something goes down, such as a server, or wireless router, or if there's a cable break. This allows us to respond promptly to any issues."

More Nagios Core pros

Cons

"They can improve the functionality that provides some numbers related to the behavior of the metrics."

"Nagios Core's web interface tends to be quite old and not very user-friendly, with complex navigation and basic dashboards that can be hard for beginners to understand quickly."

"I would like to see more training videos."

"Bandwidth monitoring is the pain point for me because Nagios Core does not monitor bandwidth effectively like Cacti does."

"t was a little hard to get our setup represented in the configuration."

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

"Cloud monitoring is an area for improvement because there aren't too many plugins available."

"There is room for improvement in the graphics."

"The dashboard should be improved."

More Nagios Core cons

Pricing and Cost Advice

Information not available

"Most the plugin features are free."

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

"The solution is expensive."

"I would rate the solution's pricing an eight out of ten."

"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."

"The product is cheaply priced."

"Nagios Core is an open source solution, and there are no licensing fees."

More Nagios Core pricing and cost advice

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Top Industries

By visitors reading reviews

No data available

Manufacturing Company

10%

Computer Software Company

10%

Comms Service Provider

Government

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

No data available

By reviewers
Company Size	Count
Small Business	20
Midsize Enterprise	11
Large Enterprise	23

Questions from the Community

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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.

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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.

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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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Product Reports

Buyer's Guide

IT Infrastructure Monitoring

January 2026

Download Centerity Monitor product report

Buyer's Guide

Nagios Core

January 2026

Download Nagios Core product report

Overview

Centerity is the pioneer provider of an All-in-One, IT Monitoring and Business Service Management (BSM) platform. Whereas legacy tools have focused on monitoring individual technologies which led to silos of performance data, Centerity breaks down silos by extending its monitoring coverage across all technology layers, from infrastructure (physical, virtual, converged, AWS, etc.) to applications (OS, SAP, Cloudera, etc.) and databases (SAP HANA, Hadoop, NoSQL, etc.), thereby providing an integrated, holistic view of system health, performance and availability. Centerity’s unique, unified platform, named a Gartner Cool Vendor in ITOM, can serve the needs of both IT executives and administrators while providing a complete business intelligence layer across all IT assets via cross technical and functional domain impact and trend analysis through its Business Service Management (BSM) capabilities.

Centerity Systems

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

Nagios

Sample Customers

Centerity Systems has thousands of customers world wide, including Fortune 500 Enterprises such as Cisco, General Electric, Siemens, Harris Corporation, and Coca-Cola.

Airbnb, Cisco, PayPal, FanDuel

Buyer's Guide

Centerity Monitor vs. Nagios Core

January 2026

Free Report: Centerity Monitor vs. Nagios Core

Find out what your peers are saying about Centerity Monitor vs. Nagios Core and other solutions. Updated: January 2026.

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