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ConnectWise RMM vs Nagios Core 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:
 

ROI

Sentiment score
7.3
ConnectWise RMM enhances efficiency and IT management by automating tasks, reducing downtime, and enabling easy software deployment and remote access.
Sentiment score
8.8
Nagios Core reduces downtime and costs with quick alerts, providing full ROI and eliminating expensive monitoring tools.
It saves probably more than 50% of the time that would have been required, likely around 75%.
Manager, Technical Team at Expert It Solutions Alberta
 

Customer Service

Sentiment score
8.3
ConnectWise RMM's support is praised for its 24/7 availability and expertise, though some experience remote communication issues.
Sentiment score
5.1
Nagios Core relies on community support, praised for stability and resources, but lacks official help compared to Nagios XI.
I rate their support and customer service with ConnectWise as good, as their support team is quick to answer chat requests.
Manager, Technical Team at Expert It Solutions Alberta
 

Scalability Issues

Sentiment score
8.2
ConnectWise RMM offers scalable SaaS solutions, efficiently managing diverse environments and thousands of endpoints for flexible client requirements.
Sentiment score
6.7
Nagios Core shows scalability for large networks but may need customizations and integrations for distributed environments.
 

Stability Issues

Sentiment score
9.1
ConnectWise RMM is highly praised for stability, with reliable agents and minimal maintenance, often rated ten out of ten.
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

ConnectWise RMM needs better automation, customizable dashboards, and improved query flexibility, with reasonable pricing but room for enhancement.
Nagios Core needs a more intuitive interface, better scalability, and features like enhanced reporting and integration with modern tools.
The pricing for ConnectWise RMM is reasonable.
Manager, Technical Team at Expert It Solutions Alberta
 

Setup Cost

ConnectWise RMM provides flexible pricing, with costs starting at $2.50 per endpoint, including valuable NOC and help desk services.
Nagios Core is a free, cost-effective open-source tool, but requires Linux expertise and incurs hosting and maintenance costs.
 

Valuable Features

ConnectWise RMM enhances efficiency with robust patch management, remote access, automation, and intuitive integration for comprehensive network visibility.
Nagios Core provides flexible, low-resource monitoring with customization, automation, efficient alerts, and integration support for reliable IT performance visibility.
The ability to do deployments through ConnectWise RMM's scripting features allows us to deploy new software or monitor the status of antivirus or system protection software, presenting another measurable benefit for us regarding ROI.
Manager, Technical Team at Expert It Solutions Alberta
It has a very handy dashboard, providing live alerts and visibility for everything.
Senior System Administrator at Interactive Group
 

Categories and Ranking

ConnectWise RMM
Ranking in Network Monitoring Software
67th
Ranking in IT Infrastructure Monitoring
48th
Average Rating
8.2
Reviews Sentiment
8.2
Number of Reviews
6
Ranking in other categories
Server Monitoring (22nd), Cloud Monitoring Software (38th), IT Alerting and Incident Management (15th), Remote Monitoring and Management (RMM) (6th), Patch Management (23rd), Unified Endpoint Management (UEM) (19th)
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 ConnectWise RMM is 0.3%, up from 0.1% 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%
ConnectWise RMM0.3%
Other97.8%
Network Monitoring Software
 

Featured Reviews

DH
Manager, Technical Team at Expert It Solutions Alberta
Automation tools improve management efficiency, though migration process is time-consuming and support could be more knowledgeable
The best features of ConnectWise RMM are the automation tools that they've included, which are quite good, enabling us to mass manage systems, schedule scripts, etc. We use some of the probe features in ConnectWise RMM that do network discovery and monitoring capabilities. ConnectWise RMM helps our team maintain network visibility and proactively address potential issues since the product works effectively at unknown device discovery, making it better than sending someone to the site for a manual discovery. ConnectWise RMM helps in automating security updates and maintaining endpoint security. We appreciate that their NOC team does evaluations on the security updates, allowing us to free up our time and making it a huge timesaver for us. The ability to do deployments through ConnectWise RMM's scripting features allows us to deploy new software or monitor the status of antivirus or system protection software, presenting another measurable benefit for us regarding ROI.
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
Performing Arts
13%
Comms Service Provider
10%
Outsourcing Company
9%
Computer Software Company
7%
Computer Software Company
11%
Manufacturing Company
10%
Comms Service Provider
9%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business20
Midsize Enterprise11
Large Enterprise22
 

Questions from the Community

What is your experience regarding pricing and costs for Continuum Command?
There are different subscriptions available for ConnectWise RMM that you can choose from. Essentially, our endpoint costs around two dollars and fifty cents per endpoint per month. If we opt for a ...
What needs improvement with Continuum Command?
The pricing for ConnectWise RMM is reasonable, and I feel that we're getting good value for the dollars that we're spending even though I don't have anything to compare it against.
What is your primary use case for Continuum Command?
As an MSP, we utilize ConnectWise RMM for the management of our client environment.
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...
 

Comparisons

 

Also Known As

Continuum Command, Continuum RMM
No data available
 

Overview

 

Sample Customers

Frontier Business Products, Itek Systems Management, ZLan, Karpel, MySherpa, Arvig, CCSI, Leap Managed IT, eProsper, Pensar, Gordon Flesch, LeadingEdge, NSI, Server Sentry, Computer Consultants, Keystone IT Consulting, Ekaru, Epic Technologies, Rouse Consulting, Empower Information Systems, Computer Solutions Group, The Critical Update, Voice Smart Networks, CMIT Solutions, Preferred Communication Systems, G2 Tech Group, Pulse Business Solutions, Greystone Technology Group, Clare Computer Solutions, Evolve IT Australia
Airbnb, Cisco, PayPal, FanDuel
Find out what your peers are saying about ConnectWise RMM vs. Nagios Core and other solutions. Updated: January 2026.
880,685 professionals have used our research since 2012.