Centreon vs Nagios Core comparison

Centreon and Nagios are both solutions in the Network Monitoring Software category. Centreon is ranked #24 with an average rating of 7.3, while Nagios is ranked #11 with an average rating of 8.7. Centreon holds a 1.4% mindshare in NMS, compared to Nagios’s 1.6% mindshare. Additionally, 93% of Centreon users are willing to recommend the solution, compared to 80% of Nagios users who would recommend it.

Centreon

Read 31 Centreon reviews

7,170 Views
5,879 Comparison Views

93% willing to recommend

Nagios Core

Read 51 Nagios Core reviews

7,235 Views
5,933 Comparison Views

80% willing to recommend

Centreon

Nagios Core

Comparison Buyer's Guide

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Executive SummaryUpdated on Feb 8, 2026

Centron and Nagios Core are popular network monitoring solutions. Each has distinct advantages. Centron tends to have the upper hand due to its features like scalability and support, even though Nagios Core is open-source and free.

Features: Centreon is highly valued for its scalability, allowing unlimited device monitoring and advanced reporting, featuring customizable dashboards that suit various business needs. It integrates flexibly and handles downtime management efficiently. Nagios Core is praised for its lightweight, resource-efficient architecture and open-source flexibility, but requires more setup and manual intervention.

Room for Improvement: Centreon could enhance end-to-end monitoring capabilities and improve its user interface and API. There's also room for better automation for dynamic host additions and cloud service monitoring. Nagios Core’s interface and initial configuration process could be simplified, and more robust cloud-hosted options would be beneficial.

Ease of Deployment and Customer Service: Centreon users benefit from a structured support system and versatile deployment across infrastructures, although they express a need for 24/7 technical assistance. Nagios Core lacks commercial support in its open-source form, relying on community expertise, which can be challenging without expert handling.

Pricing and ROI: Centreon's pricing is reflective of its enterprise-level features, providing ROI through reduced downtime and efficient monitoring, making it cost-effective for large enterprises despite its higher costs compared to open-source alternatives. Nagios Core is appealing to those with technical skills due to its free nature, offering significant ROI by avoiding licensing fees, though setup and customization might add indirect costs.

To learn more, read our detailed Centreon vs. Nagios Core Report (Updated: April 2026).

Buyer's Guide

Centreon vs. Nagios Core

April 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:

ROI

Sentiment score

8.1

Centreon enhances ROI through efficient monitoring, quick issue resolution, cost savings, and minimal impact during outages.

Sentiment score

8.9

Nagios Core boosted operational efficiency, reduced costs, minimized downtime, and significantly improved productivity and disaster recovery times.

Centreon provides timesaving and costsaving benefits as it lets us manage multiple devices on a single platform.

Tinkesh Chaudhary

Network Engineer at a manufacturing company with 10,001+ employees

It significantly saves time by automating monitoring tasks and reduces costs as it requires fewer resources.

Aadinath Tikone

System Administrator at a manufacturing company with 10,001+ employees

For more quotes and insights, download the Centreon report

No quotes available

For more quotes and insights, download the Nagios Core report

Customer Service

Sentiment score

7.1

Centreon's customer service is responsive and knowledgeable, though availability limitations and support level improvements are needed.

Sentiment score

5.5

Nagios Core relies on community and documentation for support, offering valuable resources but facing scalability and consistency challenges.

We do not have direct access to Centreon's technical support.

Tinkesh Chaudhary

Network Engineer at a manufacturing company with 10,001+ employees

If issues arise, like services appearing as down in Centreon, technical support helps check the polar-server communication.

Aadinath Tikone

System Administrator at a manufacturing company with 10,001+ employees

Technical support from Centreon responds within 24 hours and resolves issues quickly.

Sulesh PK

Monitoring and Operations Pilot at Egis S.A.

For more quotes and insights, download the Centreon report

No quotes available

For more quotes and insights, download the Nagios Core report

Scalability Issues

Sentiment score

7.0

Centreon is valued for flexibility and scalability, though improvements in data management and alert scaling are recommended.

Sentiment score

7.6

Nagios Core is highly scalable, supporting diverse infrastructures with open-source flexibility, despite some horizontal scaling concerns.

Occasionally, for several hours, we do not receive any alerts, causing a business impact.

Tinkesh Chaudhary

Network Engineer at a manufacturing company with 10,001+ employees

We use other tools for adding and deploying configured devices, but direct access from Centreon would be beneficial.

Sulesh PK

Monitoring and Operations Pilot at Egis S.A.

For more quotes and insights, download the Centreon report

The solution is scalable.

Husham Yaqoob

Senior System Administrator at Interactive Group

For more quotes and insights, download the Nagios Core report

Stability Issues

Sentiment score

7.5

Centreon is stable and reliable, though stability may vary; support resolves issues swiftly, especially with the latest versions.

Sentiment score

8.6

Nagios Core is highly stable and reliable, offering exceptional performance on Linux with minimal plugin-related issues.

Centreon is a much more straightforward and stable tool compared to Icinga.

Aadinath Tikone

System Administrator at a manufacturing company with 10,001+ employees

Sometimes we do not receive alerts, causing business impact, and users ask why no alerts were received.

Tinkesh Chaudhary

Network Engineer at a manufacturing company with 10,001+ employees

For more quotes and insights, download the Centreon report

I tried many other solutions at work, however, in terms of Nagios, I haven't seen any disruption or downtime.

Husham Yaqoob

Senior System Administrator at Interactive Group

For more quotes and insights, download the Nagios Core report

Room For Improvement

Centreon users seek improved customization, monitoring, UI, documentation, integration, mobile features, auto-remediation, multilingual support, and notifications.

Nagios Core needs a modernized interface, simplified configuration, scalability, and integration with tools like Grafana for improved usability.

Enhancements are needed in identifying configuration issues, providing real-time alerts in case of issues, and improving the HTTP configuration tasks.

Sulesh PK

Monitoring and Operations Pilot at Egis S.A.

Reliability is sometimes an issue. Centreon has a developer mode and production mode, but sometimes alerts don't come through in production mode.

Tinkesh Chaudhary

Network Engineer at a manufacturing company with 10,001+ employees

While Centreon excels at server-level monitoring, it lacks the ability to track web app availability and latency, unlike Dynatrace, which is efficient in this area.

Aadinath Tikone

System Administrator at a manufacturing company with 10,001+ employees

For more quotes and insights, download the Centreon report

No quotes available

For more quotes and insights, download the Nagios Core report

Setup Cost

Centreon provides an open-source solution for SMEs but has a complex pricing model for enterprises needing premium features.

Nagios Core provides cost-effective, open-source monitoring with engineering setup and maintenance, requiring customization expertise for full benefits.

Centreon's pricing is not very expensive.

Sulesh PK

Monitoring and Operations Pilot at Egis S.A.

For more quotes and insights, download the Centreon report

No quotes available

For more quotes and insights, download the Nagios Core report

Valuable Features

Centreon offers unlimited monitoring, enhanced visualization, and customizable features for efficient oversight with extensive device compatibility and anomaly detection.

Nagios Core offers extensible plugins, alerting, customizable dashboards, proactive monitoring, and integration, enhancing system reliability and minimizing downtime.

Monitoring is a fundamental pillar of technical support, and Centreon streamlines this process, reducing the need for extensive manual checks.

Aadinath Tikone

System Administrator at a manufacturing company with 10,001+ employees

Centreon's real-time monitoring, despite having some manual aspects, supports us in managing our operations effectively.

Sulesh PK

Monitoring and Operations Pilot at Egis S.A.

Centreon allows us to monitor all of our devices on one platform.

Tinkesh Chaudhary

Network Engineer at a manufacturing company with 10,001+ employees

For more quotes and insights, download the Centreon report

It has a very handy dashboard, providing live alerts and visibility for everything.

Husham Yaqoob

Senior System Administrator at Interactive Group

For more quotes and insights, download the Nagios Core report

Categories and Ranking

Centreon

Ranking in Network Monitoring Software

24th

Ranking in IT Infrastructure Monitoring

29th

Average Rating

8.4

Reviews Sentiment

7.2

Number of Reviews

Ranking in other categories

Cloud Monitoring Software (18th)

Nagios Core

Ranking in Network Monitoring Software

11th

Ranking in IT Infrastructure Monitoring

10th

Average Rating

8.2

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of May 2026, in the Network Monitoring Software category, the mindshare of Centreon is 1.4%, down from 2.5% compared to the previous year. The mindshare of Nagios Core is 1.6%, down from 3.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Network Monitoring Software Mindshare Distribution
Product	Mindshare (%)
Nagios Core	1.6%
Centreon	1.4%
Other	97.0%

Network Monitoring Software

Featured Reviews

Sulesh PK

Monitoring and Operations Pilot at Egis S.A.

Experience enhanced monitoring with real-time alerts and efficient support

I would like to see automation in the poller features, as currently, the poller is not automated. If we could automate the addition or removal of hosts in the poller, it would improve efficiency. Sometimes, Centreon does not show the status of services as updated, which should be addressed. Additionally, enhancements are needed in identifying configuration issues, providing real-time alerts in case of issues, and improving the HTTP configuration tasks, as Centreon does not currently display issues with HTTP links, requiring manual investigation.

Read full review

Husham Yaqoob

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.

Read full review

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Top Industries

By visitors reading reviews

Computer Software Company

13%

Comms Service Provider

Financial Services Firm

Government

Manufacturing Company

10%

Comms Service Provider

10%

Computer Software Company

Financial Services Firm

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	11
Midsize Enterprise	5
Large Enterprise	14

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

Questions from the Community

What is your experience regarding pricing and costs for Centreon?

Centreon's pricing is not very expensive. Initially, I rated it seven, but corrected to five out of ten.

See all answers

What needs improvement with Centreon?

I have certain concerns with Centreon, such as being unable to set downtime for multiple devices at once due to the limitation of adding only 50 devices in a single go. Increasing this limit would ...

See all answers

What is your primary use case for Centreon?

We are using Centreon for monitoring devices, both LAN and WAN devices. There are subsidiaries for my company, so if any devices go down or there are any service alerts, we receive alerts through C...

See all answers

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.

See all answers

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.

See all answers

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...

See all answers

Comparisons

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Compared 11% of the time

PRTG Network Monitor vs Centreon

Compared 10% of the time

Datadog vs Centreon

Compared 8% of the time

SolarWinds NPM vs Centreon

Compared 7% of the time

Nagios XI vs Centreon

Compared 5% of the time

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LibreNMS vs Nagios Core

Compared 7% of the time

Zabbix vs Nagios Core

Compared 5% of the time

Icinga vs Nagios Core

Compared 5% of the time

OpenNMS vs Nagios Core

Compared 4% of the time

Nagios XI vs Nagios Core

Compared 4% of the time

More Nagios Core Competitors

Product Reports

Buyer's Guide

Centreon

May 2026

Download Centreon product report

Buyer's Guide

Nagios Core

April 2026

Download Nagios Core product report

Overview

Centreon offers a robust IT infrastructure monitoring platform, featuring user-friendly dashboards and real-time monitoring. It excels in scalability and integration, making it suitable for monitoring diverse network environments.

Centreon stands out with its unified monitoring capabilities, providing businesses with user-friendly dashboards and extensive plugins for customization. Its scalability ensures companies can expand monitoring tasks without incurring additional costs. Integration capabilities allow seamless interaction with ticketing systems and automation tools. Centreon offers customizable reporting and effectively manages downtimes, providing real-time feedback and proactive maintenance through Business Activity and Anomaly Detection features. Despite its strengths, users find areas for improvement including downtime scheduling, API functionalities, UI enhancements, end-to-end monitoring, and documentation. Businesses are increasingly demanding better automation, network discovery, cloud monitoring, and notification options.

What are Centreon's standout features?

Unified Monitoring: Delivers a comprehensive monitoring platform for IT infrastructure.
User-Friendly Dashboards: Offers intuitive and customizable dashboards for efficient monitoring.
Extensive Plugins: Enables flexibility and customization through numerous plugins.
Scalability: Allows expansion of monitoring duties without additional costs.
Integration Capabilities: Seamlessly integrates with ticketing systems and other tools.

What benefits should users look for in reviews?

Cost Efficiency: Minimized resolution time through proactive maintenance features.
Ease of Use: Simplifies monitoring with its user-friendly interface.
Proactive Issue Resolution: Real-time monitoring and alerts help prevent service outages.
Customizable Reporting: Adapts reports to meet specific organizational requirements.
Diverse Network Management: Capable of handling diverse IT environments efficiently.

Centreon is implemented across industries to monitor IT infrastructures, including networks, servers, and applications. Companies leverage it to track server performance, manage network devices, and receive timely alerts on device status. Its ability to integrate with ticketing systems and automation tools streamlines operations, enhancing global IT infrastructure monitoring and customer service management with real-time feedback and issue resolution.

Centreon

Nagios Core offers a versatile monitoring solution that efficiently manages notifications, reporting, and resource usage. Its open-source architecture provides flexibility and customization options for comprehensive infrastructure health management.

Nagios Core, known for its extensible plugin architecture, proactively enhances infrastructure management with customizable notifications and reliable reporting. Seamlessly integrating various plugins, it offers real-time dashboards and efficient alerting systems for thorough monitoring. Its adaptability and ease of configuration make it popular among users seeking flexible monitoring solutions. However, improvements in the web interface, scalability, performance, and visualization are needed to enhance accessibility. Users seek better alert mechanisms, more robust PDF export features, and simpler setup processes for increased efficiency.

What are the key features of Nagios Core?

Customizable Notifications: Tailor alerts to suit specific needs.
Reliable Reporting: Provides detailed insights into system performance.
Light Resource Usage: Operates efficiently with minimal resource demands.
Extensible Plugin Architecture: Supports a wide range of third-party integrations.
Real-Time Dashboards: Offers instant insights into system health.

What benefits should users expect from Nagios Core?

Flexibility: Allows detailed customization for unique monitoring requirements.
Open-Source Nature: Encourages community-driven enhancements and support.
Integration Capabilities: Facilitates seamless interaction with other tools and platforms.
Adaptability: Supports monitoring across different environments seamlessly.

In many industries, Nagios Core is integral to monitoring infrastructure and services, including cloud servers, applications, and network devices. Users rely on it for issue detection, capacity planning, and maintaining system stability in environments like AWS and on-premise servers. Its capabilities in CPU, memory, and bandwidth monitoring along with alert systems support sectors needing real-time oversight of critical equipment.

Nagios

Sample Customers

Airbus, Bollore, BT, Canal Plus, Kuehne Nagel, Limagrain, LVMH, Oberthur Technologies, Orange, Darty, Addax Petroleum, Plastic Omnium, Auchan, Valeo, Saint Gobin, Clarins, Hugo Boss, JC Decaux, French Government (Defense, Justice, Environment, Agriculture), OptiComm, Thales, Zeiss.

Airbnb, Cisco, PayPal, FanDuel

Buyer's Guide

Centreon vs. Nagios Core

April 2026

Free Report: Centreon vs. Nagios Core

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