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Nagios Core vs Netdata comparison

 

Comparison Buyer's Guide

Executive Summary

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 IT Infrastructure Monitoring
16th
Average Rating
8.2
Reviews Sentiment
7.3
Number of Reviews
51
Ranking in other categories
Network Monitoring Software (19th)
Netdata
Ranking in IT Infrastructure Monitoring
31st
Average Rating
10.0
Reviews Sentiment
6.0
Number of Reviews
1
Ranking in other categories
Server Monitoring (15th), Cloud Monitoring Software (23rd)
 

Mindshare comparison

As of August 2026, in the IT Infrastructure Monitoring category, the mindshare of Nagios Core is 1.6%, down from 3.4% compared to the previous year. The mindshare of Netdata is 1.1%, up from 1.1% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring Mindshare Distribution
ProductMindshare (%)
Nagios Core1.6%
Netdata1.1%
Other97.3%
IT Infrastructure Monitoring
 

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.
Yash Dhawan - PeerSpot reviewer
Tech Ops Engineer at Zeller
Real-time monitoring has transformed incident response and keeps critical workloads running smoothly
Netdata's best features are visualization, which helps operational efficiency and reduces downtime while supporting faster incident response, and real-time monitoring, which provides second-by-second visibility into infrastructure. The dashboard makes it easy to visualize, and it has the capability to create alarms with very low operational overhead, requiring much less maintenance compared to many traditional monitoring solutions. It is highly scalable for distributed systems, enabling me to monitor multiple services efficiently while maintaining responsive dashboards. The feature I find myself relying on the most day-to-day is the real-time monitoring and live dashboards, as it provides second-by-second visibility into infrastructure health, helping my team detect issues instantly instead of waiting. This feature is extremely useful during production incidents and troubleshooting, enabling faster root cause analysis and quicker response times. In many environments, engineers rely heavily on Netdata during CPU memory spikes, Kubernetes pod failures, network bottlenecks, and application latency investigations, which highlight the biggest advantages of using Netdata. Netdata has positively impacted my organization by improving downtime and incident response workflows through real-time visibility into infrastructure and application performance. The live dashboards greatly assist us, as instant metric updates allow me to quickly detect anomalies, resource spikes, and service degradation before they escalate into larger production issues. The overall improvement has been significant. In terms of specific metrics or outcomes regarding Netdata, there has been a reduction in downtime and faster incident resolution due to better monitoring capabilities. When infrastructure services degrade, such as during particular CPU usage spikes, I can visualize these events from the dashboard, helping me identify bottlenecks and conduct root cause analysis. These functionalities enhance visibility and proactive capabilities for faster anomaly detection, contributing to overall improved operational efficiency and infrastructure reliability.
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Top Industries

By visitors reading reviews
Comms Service Provider
10%
Manufacturing Company
9%
Financial Services Firm
8%
Construction Company
7%
Transportation Company
64%
Comms Service Provider
6%
Financial Services Firm
4%
Computer Software Company
3%
 

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...
What is your experience regarding pricing and costs for Netdata?
As I am going with the subscription-based model in the SaaS, the pricing and setup cost are very nice, and the setup is very easy since I am running the server inside GCP.
What needs improvement with Netdata?
Netdata can be improved by incorporating AI-driven anomaly detection and predictive monitoring capabilities to forecast potential bottlenecks. Additionally, broader native integrations with enterpr...
What is your primary use case for Netdata?
Netdata serves as my real-time monitoring and observability platform for infrastructure and application performance monitoring, providing highly detailed real-time metrics with minimal setup and lo...
 

Comparisons

 

Overview

 

Sample Customers

Airbnb, Cisco, PayPal, FanDuel
Information Not Available
Find out what your peers are saying about Zabbix, Datadog, Splunk and others in IT Infrastructure Monitoring. Updated: July 2026.
908,800 professionals have used our research since 2012.