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BMC TrueSight vs Nagios Core comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Dec 7, 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
6.9
BMC TrueSight enhances efficiency, lowers IT costs, and reallocates resources by reducing manual tasks and improving operations.
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
6.8
BMC TrueSight's support is generally effective but faces issues with wait times, expertise consistency, and frequent personnel changes.
Sentiment score
5.1
Nagios Core relies on community support, praised for stability and resources, but lacks official help compared to Nagios XI.
I would rate their technical support a nine out of ten.
Technical Specialist at ServiceIO
 

Scalability Issues

Sentiment score
6.9
BMC TrueSight is scalable, but users report mixed experiences with challenges in multitenancy, complexity, and financial constraints.
Sentiment score
6.7
Nagios Core shows scalability for large networks but may need customizations and integrations for distributed environments.
The solution is scalable.
Senior System Administrator at Interactive Group
 

Stability Issues

Sentiment score
7.3
BMC TrueSight is stable with proper configuration and resources, emphasizing vendor guidelines and performance tuning for optimal use.
Sentiment score
8.2
Nagios Core is highly stable and reliable with minimal footprint, supporting extensive monitoring without network burden.
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

BMC TrueSight needs faster deployment, intuitive interfaces, better cloud stability, and enhanced AI for insights and analytics.
Nagios Core needs a more intuitive interface, better scalability, and features like enhanced reporting and integration with modern tools.
There are some complexities with deployment that could be improved in BMC TrueSight.
Technical Specialist at ServiceIO
 

Setup Cost

BMC TrueSight is costly but valued for robust features, transparent pricing, and flexibility in licensing and support.
Nagios Core is a free, cost-effective open-source tool, but requires Linux expertise and incurs hosting and maintenance costs.
BMC TrueSight licensing costs are on the more expensive side.
Technical Specialist at ServiceIO
 

Valuable Features

BMC TrueSight offers integrated monitoring, intuitive interfaces, and proactive management for efficient IT infrastructure performance and operational efficiency.
Nagios Core provides flexible, low-resource monitoring with customization, automation, efficient alerts, and integration support for reliable IT performance visibility.
Automated root cause analysis and predictive capabilities are powerful features that assist in resource utilization and capacity planning.
Technical Specialist at ServiceIO
It has a very handy dashboard, providing live alerts and visibility for everything.
Senior System Administrator at Interactive Group
 

Categories and Ranking

BMC TrueSight
Ranking in IT Infrastructure Monitoring
31st
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
51
Ranking in other categories
Application Performance Monitoring (APM) and Observability (28th), Event Monitoring (8th), Cloud Monitoring Software (25th), AIOps (5th)
Nagios Core
Ranking in IT Infrastructure Monitoring
11th
Average Rating
8.2
Reviews Sentiment
7.0
Number of Reviews
51
Ranking in other categories
Network Monitoring Software (10th)
 

Mindshare comparison

As of January 2026, in the IT Infrastructure Monitoring category, the mindshare of BMC TrueSight is 1.2%, up from 0.9% compared to the previous year. The mindshare of Nagios Core is 2.4%, down from 3.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring Market Share Distribution
ProductMarket Share (%)
Nagios Core2.4%
BMC TrueSight1.2%
Other96.4%
IT Infrastructure Monitoring
 

Featured Reviews

NikhilKalwint - PeerSpot reviewer
Technical Specialist at ServiceIO
Has improved monitoring efficiency and supports fast issue resolution through responsive support and reliable automation
I work with BMC TrueSight and have been using it for eight-plus years BMC TrueSight brought a positive impact and benefits to our organization. The customization part is one of the advantages of the product, along with the monitoring capabilities. Automated root cause analysis and predictive…
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.
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Top Industries

By visitors reading reviews
Financial Services Firm
20%
Computer Software Company
10%
Outsourcing Company
7%
Government
7%
Computer Software Company
11%
Manufacturing Company
10%
Comms Service Provider
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise6
Large Enterprise24
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise22
 

Questions from the Community

What do you like most about BMC TrueSight Operations Management?
The solution provides visibility to our infrastructure, how it is, the resources we are monitoring, and quick updates when it has any problems. We have integrated it with ServiceNow to open instances.
What needs improvement with BMC TrueSight Operations Management?
There are some complexities with deployment that could be improved in BMC TrueSight.
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

ProactiveNet, TrueSight Operations Management
No data available
 

Overview

 

Sample Customers

Ensono, Transamerica, Boston Scientific, Park Place Technologies, inContact, TD Ameritrade, PNC Bank
Airbnb, Cisco, PayPal, FanDuel
Find out what your peers are saying about BMC TrueSight vs. Nagios Core and other solutions. Updated: January 2026.
881,082 professionals have used our research since 2012.