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ConnectWise RMM vs Nagios XI 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
6.6
Nagios XI enhances efficiency and time management but concerns about increased costs affect ROI perception across organizations.
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
6.5
Nagios XI support is mixed; praised for responsiveness but criticized for high cost, complex licensing, and delayed responses.
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
7.1
Nagios XI is scalable for small to medium environments but faces challenges in large infrastructures and cloud adaptability.
If the user interface isn’t presenting data well, it becomes difficult to manage when scaling.
Network and Security Engineer at a educational organization with 1,001-5,000 employees
 

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
7.3
Nagios XI is stable, but large deployments may experience performance issues, database problems, and minor network dependencies.
It is very stable.
Network and Security Engineer at a educational organization with 1,001-5,000 employees
 

Room For Improvement

ConnectWise RMM needs better automation, customizable dashboards, and improved query flexibility, with reasonable pricing but room for enhancement.
Nagios XI's interface is outdated, lacks scalability, needs better cloud integration, APIs, automation, and improved documentation.
The pricing for ConnectWise RMM is reasonable.
Manager, Technical Team at Expert It Solutions Alberta
Many tools have poor user interfaces, making them hard to manage and navigate.
Network and Security Engineer at a educational organization with 1,001-5,000 employees
The GUI could be improved. It's a bit too basic.
Site Duty Manager at Assw
 

Setup Cost

ConnectWise RMM provides flexible pricing, with costs starting at $2.50 per endpoint, including valuable NOC and help desk services.
Nagios XI provides cost-efficient enterprise-level monitoring with reasonable pricing, appreciated for its features and open-source options.
We are using the free, open-source version.
Site Duty Manager at Assw
The pricing for the Nagios XI product is good and better than other solutions.
Network and Security Engineer at a educational organization with 1,001-5,000 employees
 

Valuable Features

ConnectWise RMM enhances efficiency with robust patch management, remote access, automation, and intuitive integration for comprehensive network visibility.
Nagios XI provides customizable, flexible, and scalable IT infrastructure monitoring with real-time alerts and extensive plugin support.
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
Nagios XI simplifies our setup and reduces the time spent configuring monitoring tools.
Network and Security Engineer at a educational organization with 1,001-5,000 employees
The alerting system is very effective.
Site Duty Manager at Assw
 

Categories and Ranking

ConnectWise RMM
Ranking in Network Monitoring Software
67th
Ranking in Server Monitoring
22nd
Ranking in IT Infrastructure Monitoring
48th
Ranking in Cloud Monitoring Software
38th
Average Rating
8.2
Reviews Sentiment
8.2
Number of Reviews
6
Ranking in other categories
IT Alerting and Incident Management (15th), Remote Monitoring and Management (RMM) (6th), Patch Management (23rd), Unified Endpoint Management (UEM) (19th)
Nagios XI
Ranking in Network Monitoring Software
26th
Ranking in Server Monitoring
14th
Ranking in IT Infrastructure Monitoring
28th
Ranking in Cloud Monitoring Software
26th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
58
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of January 2026, in the IT Infrastructure Monitoring category, the mindshare of ConnectWise RMM is 0.2%, up from 0.0% compared to the previous year. The mindshare of Nagios XI is 3.0%, down from 3.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.
IT Infrastructure Monitoring Market Share Distribution
ProductMarket Share (%)
Nagios XI3.0%
ConnectWise RMM0.2%
Other96.8%
IT Infrastructure Monitoring
 

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.
Emmanuel Appiah Boateng - PeerSpot reviewer
Network and Security Engineer at a educational organization with 1,001-5,000 employees
Simplifies setup and requires user interface enhancement
Nagios XI is easy to install, which sets it apart from other open-source solutions I've tried. Typically, setting up a monitoring system on Linux involves cloning files from GitHub, building it, and installing many dependencies, but with Nagios XI, it wasn't like that. Nagios XI simplifies our setup and reduces the time spent configuring monitoring tools.
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Comparison Review

it_user174738 - PeerSpot reviewer
IT Developer at a tech services company with 51-200 employees
May 31, 2015
Nagios vs. Zabbix vs. PRTG vs. Spiceworks vs. Solarwinds Network Performance Monitor
I have researched a quite a few network monitoring tools which can be used for various monitoring purposes of not only the servers, but the intermediate routers as well. There are majorly three types of these softwares. Ones which are completely open-source, you can do almost anything you want…
 

Top Industries

By visitors reading reviews
Performing Arts
13%
Comms Service Provider
10%
Outsourcing Company
9%
Computer Software Company
7%
Financial Services Firm
11%
Computer Software Company
11%
Manufacturing Company
8%
Government
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise17
Large Enterprise21
 

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 XI?
The pricing for the Nagios XI product is good and better than other solutions. I would give it a four or five.
What needs improvement with Nagios XI?
The user interface needs improvement. Many tools have poor user interfaces, making them hard to manage and navigate.
What is your primary use case for Nagios XI?
I normally use Nagios XI for our servers. It's not particularly used for network equipment, however, I use it for monitoring our server performance, including CPU, memory, data, and services runnin...
 

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
Nagios has over one million users globally, including AOL, DHL, McAfee, MCI, MTV, Yahoo!, Universal, Toshiba, Sony, Siemens, and JPMorgan Chase.
Find out what your peers are saying about ConnectWise RMM vs. Nagios XI and other solutions. Updated: December 2025.
880,685 professionals have used our research since 2012.