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IBM SevOne Network Performance Management (NPM) vs Nagios Core comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Nov 2, 2025

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
7.4
IBM SevOne enhances network monitoring and issue resolution, ensuring cost efficiency and improved operational performance for businesses.
Sentiment score
8.8
Nagios Core reduces downtime and costs with quick alerts, providing full ROI and eliminating expensive monitoring tools.
 

Customer Service

Sentiment score
8.0
IBM SevOne NPM customer service is praised for responsiveness, expertise, friendly communication, fast response, and handling complex cases effectively.
Sentiment score
5.1
Nagios Core relies on community support, praised for stability and resources, but lacks official help compared to Nagios XI.
The technical support from IBM for SevOne Network Performance Management (NPM) is very good.
Network monitoring engineer at a tech vendor with 10,001+ employees
 

Scalability Issues

Sentiment score
8.1
IBM SevOne NPM offers scalable, flexible network monitoring, easily integrating devices and expanding for diverse business sizes and needs.
Sentiment score
6.7
Nagios Core shows scalability for large networks but may need customizations and integrations for distributed environments.
It is suitable for small, medium, and enterprise-level companies.
Network monitoring engineer at a tech vendor with 10,001+ employees
The solution is scalable.
Senior System Administrator at Interactive Group
 

Stability Issues

Sentiment score
7.9
IBM SevOne NPM is stable and reliable, with most issues arising from non-SevOne components or specific scenarios.
Sentiment score
8.2
Nagios Core is highly stable and reliable with minimal footprint, supporting extensive monitoring without network burden.
The stability of IBM SevOne Network Performance Management (NPM) is excellent.
Network monitoring engineer at a tech vendor with 10,001+ employees
I tried many other solutions at work, however, in terms of Nagios, I haven't seen any disruption or downtime.
Senior System Administrator at Interactive Group
 

Room For Improvement

IBM SevOne struggles with upgrade complexity, reporting detail, integration, visualization, and seeks enhanced analytics and cloud monitoring improvements.
Nagios Core needs a more intuitive interface, better scalability, and features like enhanced reporting and integration with modern tools.
It would be beneficial to have out-of-the-box integration with third-party vendors and improvements in correlation features.
Network monitoring engineer at a tech vendor with 10,001+ employees
 

Setup Cost

IBM SevOne NPM provides scalable, flexible licensing, though upfront costs can be high; negotiation is advised for cost management.
Nagios Core is a free, cost-effective open-source tool, but requires Linux expertise and incurs hosting and maintenance costs.
 

Valuable Features

IBM SevOne NPM offers scalable, real-time monitoring with integration, alerting, and reporting for proactive network management and optimization.
Nagios Core provides flexible, low-resource monitoring with customization, automation, efficient alerts, and integration support for reliable IT performance visibility.
The most valuable features of IBM SevOne Network Performance Management (NPM) are its stability, usability, visibility, and user-friendly interface.
Network monitoring engineer at a tech vendor with 10,001+ employees
You can monitor anything.
Senior System Administrator at Interactive Group
 

Categories and Ranking

IBM SevOne Network Performa...
Ranking in Network Monitoring Software
42nd
Ranking in IT Infrastructure Monitoring
40th
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
54
Ranking in other categories
Server Monitoring (19th), Log Management (44th), Cloud Monitoring Software (30th)
Nagios Core
Ranking in Network Monitoring Software
10th
Ranking in IT Infrastructure Monitoring
11th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
51
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the Network Monitoring Software category, the mindshare of IBM SevOne Network Performance Management (NPM) is 1.0%, down from 1.0% compared to the previous year. The mindshare of Nagios Core is 1.9%, down from 3.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Market Share Distribution
ProductMarket Share (%)
Nagios Core1.9%
IBM SevOne Network Performance Management (NPM)1.0%
Other97.1%
Network Monitoring Software
 

Featured Reviews

reviewer1543041 - PeerSpot reviewer
Network monitoring engineer at a tech vendor with 10,001+ employees
Provides consistent infrastructure monitoring with excellent usability and support
The primary use case of IBM SevOne Network Performance Management (NPM) is network monitoring. It helps to maintain the infrastructure's availability and ensure that alerts are generated when needed The most valuable features of IBM SevOne Network Performance Management (NPM) are its stability,…
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.
report
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Top Industries

By visitors reading reviews
Manufacturing Company
15%
Financial Services Firm
14%
Computer Software Company
9%
Performing Arts
5%
Computer Software Company
12%
Manufacturing Company
10%
Comms Service Provider
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise6
Large Enterprise45
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise22
 

Questions from the Community

What needs improvement with SevOne Network Data Platform?
There is room for improvement in the integration with different vendors and the reporting capabilities. It would be beneficial to have out-of-the-box integration with third-party vendors and improv...
What is your primary use case for SevOne Network Data Platform?
The primary use case of IBM SevOne Network Performance Management (NPM) ( /products/ibm-sevone-network-performance-management-npm-reviews ) is network monitoring. It helps to maintain the infrastru...
What advice do you have for others considering SevOne Network Data Platform?
To compete with custom-built tools, IBM SevOne Network Performance Management (NPM) should accommodate the desired features and be timely in the delivery of feature updates. I would rate the overal...
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...
 

Also Known As

SevOne
No data available
 

Overview

 

Sample Customers

ATOS, Devereux, Spark New Zealand, Access4, Rogers Communication, Lumen (formerly known as CenturyLink)
Airbnb, Cisco, PayPal, FanDuel
Find out what your peers are saying about IBM SevOne Network Performance Management (NPM) vs. Nagios Core and other solutions. Updated: December 2025.
880,435 professionals have used our research since 2012.