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Nagios XI vs Pandora FMS comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Aug 6, 2024

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 XI
Ranking in Network Monitoring Software
16th
Ranking in Server Monitoring
9th
Ranking in IT Infrastructure Monitoring
17th
Ranking in Cloud Monitoring Software
20th
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
58
Ranking in other categories
No ranking in other categories
Pandora FMS
Ranking in Network Monitoring Software
69th
Ranking in Server Monitoring
27th
Ranking in IT Infrastructure Monitoring
58th
Ranking in Cloud Monitoring Software
41st
Average Rating
9.2
Reviews Sentiment
7.6
Number of Reviews
22
Ranking in other categories
Log Management (60th)
 

Mindshare comparison

As of May 2026, in the Network Monitoring Software category, the mindshare of Nagios XI is 2.5%, down from 3.3% compared to the previous year. The mindshare of Pandora FMS is 0.7%, up from 0.5% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Nagios XI2.5%
Pandora FMS0.7%
Other96.8%
Network Monitoring Software
 

Featured Reviews

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.
MM
Independent Consultant at Maack Consulting
The open architecture is easy to extend and enhance
Pandora could deliver better analytics out of the box. You can work around these limitations with the help of other tools like Grafana. The shortcomings are mostly on the graphical side. The built-in report generators are a bit limited in some areas. They could improve their management console's ability to monitor large environments could be improved. For example, SNMP management is only partially integrated into the management console.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Nagios XI is a simple monitoring tool with performance management."
"The product allows comprehensive monitoring of your environment, from basic monitoring of your servers health to more complex tasks like AD, database, and, to some extent, application-level monitoring."
"It's a monitoring agent. It's designed to do one thing. Its most valuable feature is its monitoring."
"Our infrastructure is now under monitoring proactively and we don't have to wait for complaints from the customers or internal operation team to inform regarding any issue with the service."
"Nagios is stable and it's easy to use the monitoring software, which is why we chose this product."
"Simplicity of configuration; I can set up configuration of 100 devices with about 10 services in one to two days."
"The overall performance of the product is superb."
"For anyone who is interested in using this solution, I would recommend it."
"Pandora FMS provides us with a general report (graphical) about all of the connected devices, which helps with planning new stations and tracking them."
"The official forum is active enough to answer most of the high-end technical questions that you may have."
"I like this solution a lot because it has a very large Hispanic community and the platform looks very friendly."
"The network monitoring and configuration within this solution is very good."
"The most valuable feature is that it is an all-in-one monitoring system."
"This tool has been of great help because we can manage faster solutions with the problems in our network and it helped us reduce our response time."
"Pandora FMS (the Flexible Monitoring System) is an all-in-one package solution, and we can monitor our whole system with Service perspective."
"Pandora's architecture is interesting. It's open so you can easily extend and enhance it. It's simpler to customize Pandora compared to other solutions. It's also scalable enough to support large environments."
 

Cons

"The scalability of Nagios XI is scalable. However, it is not easy to do."
"The PNP4Nagios plugin not working easily with XI is an issue for me, because some open source monitoring plugins do not work out of the box."
"The product could be optimized to improve the administrative user experience via the Nagios Core Configuration (NCC) GUI module."
"The PNP4Nagios plugin not working easily with XI is an issue for me, because some open source monitoring plugins do not work out of the box. But in the end, you learn to live with it."
"Nagios XI can improve its GUI for users with a new look."
"The scalability of Nagios XI is scalable. However, it is not easy to do."
"Initially, we encountered problems during the setup as some errors were noted due to a few prerequisites not being fulfilled and having some configuration files to edit and plugins to add."
"I feel that the maturity and user interface needs to be improved."
"When it comes to the definition of local Software Agents for the first time in the open-source version, it can become very tedious."
"We would like to see improvement in the mainframe integration that this solution is capable of."
"I would like to have a dashboard with all assets displayed, with a quick hover-over status."
"I think some improvements to the Android app would be good."
"When it comes to the definition of local Software Agents for the first time in the open-source version, it can become very tedious."
"Third-party integration should be improved for some commonly used products such as Universal CMDB."
"In the future, we may have double the number of devices, and we do not want to have any issues with performance in the data display."
"In the future, we may have double the number of devices, and we do not want to have any issues with performance in the data display."
 

Pricing and Cost Advice

"As it is not an agentless tool, I think it is expensive."
"For our country in North Africa, it's expensive and we could purchase another solution for that price. But it's a reasonable price if we're speaking in international terms."
"Nagios Core does not have any payment, but Nagios XI requires payment for the license."
"You can grow into the higher-priced scale as they learn how to utilize the features for Nagios XI."
"Nagios XI is open source."
"The pricing is really cost efficient. The licensing is perpetual and can be renewed very easily."
"We are using the free version of this solution."
"For the cost of the commercial product and support, and taking into account the open source characteristics of it, I believe it is difficult to a better value."
"Only one payment and it includes support, updates, new versions, and access to the complete library of plugins except for SAP and z/OS."
"In terms of money, the Enterprise version is the cheapest that I have found after a market study."
"Growing the solution or migrating to the Enterprise version is easy, and various plans are available."
"You have to pay for the number of agents and models that you are monitoring. I would rate the cost at three with one being the most expensive and five being the cheapest."
"The open-source version offers 100% functionality and the hardware requirements for a solution like this one are very modest."
"Pandora FMS is easy to implement and the pricing of licenses is competitive."
"You get the license and it includes updates, new versions, and access to the complete library of modules."
"The Open Source Community Edition is great to just explore the software, or use it on medium-sized infrastructures."
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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
Financial Services Firm
10%
Comms Service Provider
7%
Manufacturing Company
7%
Computer Software Company
7%
Comms Service Provider
17%
Construction Company
11%
Outsourcing Company
7%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business22
Midsize Enterprise17
Large Enterprise21
By reviewers
Company SizeCount
Small Business11
Midsize Enterprise4
Large Enterprise3
 

Questions from the Community

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...
Ask a question
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Comparisons

 

Overview

 

Sample Customers

Nagios has over one million users globally, including AOL, DHL, McAfee, MCI, MTV, Yahoo!, Universal, Toshiba, Sony, Siemens, and JPMorgan Chase.
Rakuten, Prosegur, Repsol, Teléfonica, Allianz, Ottawa Hospital, Hughes
Find out what your peers are saying about Nagios XI vs. Pandora FMS and other solutions. Updated: May 2026.
896,510 professionals have used our research since 2012.