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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
19th
Ranking in Server Monitoring
10th
Ranking in IT Infrastructure Monitoring
19th
Ranking in Cloud Monitoring Software
23rd
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
71st
Ranking in Server Monitoring
25th
Ranking in IT Infrastructure Monitoring
58th
Ranking in Cloud Monitoring Software
43rd
Average Rating
9.2
Reviews Sentiment
7.6
Number of Reviews
22
Ranking in other categories
Log Management (61st)
 

Mindshare comparison

As of April 2026, in the Network Monitoring Software category, the mindshare of Nagios XI is 2.4%, down from 3.3% compared to the previous year. The mindshare of Pandora FMS is 0.6%, 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 XI2.4%
Pandora FMS0.6%
Other97.0%
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

"The most valuable feature is the monitoring of processes."
"Nagios XI helped me to draw the network and check for system failures."
"Nagios XI is stable."
"Nagios XI simplifies our setup and reduces the time spent configuring monitoring tools."
"This solution has improved our ability to determine the source of a connection failure in our network, and now we are able to monitor the service provider's router and make that determination."
"I really found Nagios a perfect fit for us and a good product to work with."
"You want to monitor a specific metric that nobody else has? You can do it even with the most basic of scripting skills, and you can always share it with the vast community of Nagios Exchange."
"Nagios is great for verify quality and quantity in a datacenter."
"The official forum is active enough to answer most of the high-end technical questions that you may have."
"Pandora FMS (the Flexible Monitoring System) is an all-in-one package solution, and we can monitor our whole system with Service perspective."
"We are able to control our business with this all-in-one monitoring tool."
"The most valuable features are auto-discovery and automatic detection of the network topology and network monitoring."
"In comparison with most monitoring software, this software is incredibly easy to use."
"It allows me to quickly see the status of all of my printers, switches, computers, and virtual machines to determine if any system has fallen."
"Features I have found most valuable with Pandora are the personalized metrics and the simplicity of data."
"What I value most about Pandora FMS is the simplicity of working with it."
 

Cons

"I feel that the maturity and user interface needs to be improved."
"The product's stability could be even better."
"The user interface needs improvement."
"However, it is a bit complex and difficult for a first-time user."
"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."
"Open-source software is usually not user-friendly."
"I would like a much easier GUI so that I can delete events and logs, which will free up a lot of space."
"It's in need of more standard plug-ins."
"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."
"In its versions for Linux, in the beginning, it can be somewhat complicated to configure and implement."
"We would like to see improvement in the mainframe integration that this solution is capable of."
"They can also do more refinement in end-user usability because not everyone is strong technically, and people who aren't strong technically might be averse to the product, even though it has come a long way."
"An update to the Android app would be appreciated."
"I would like to have a dashboard with all assets displayed, with a quick hover-over status."
"I sincerely believe that Pandora needs new ideas for functionality closer to advanced device security monitoring."
"Improvements are needed for server and network discovery, including service-based discovery."
 

Pricing and Cost Advice

"Nagios XI is open source."
"We are using the free version of this solution."
"The pricing is high with separate licensing for the product and support."
"It is good to contact experts for advice about what is the best solution for your specific infrastructure and enterprise."
"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."
"The licensing fees for this solution are approximately $3,000 USD per year."
"Nagios XI is an expensive solution."
"The Open Source Community Edition is great to just explore the software, or use it on medium-sized infrastructures."
"You get the license and it includes updates, new versions, and access to the complete library of modules."
"Growing the solution or migrating to the Enterprise version is easy, and various plans are available."
"My rule of thumb would be that if you need more than thirty agents, and you lack an automation tool such as Chef or Puppet, you will save a lot of time and money going to the Enterprise edition."
"The open-source version offers 100% functionality and the hardware requirements for a solution like this one are very modest."
"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."
"In terms of money, the Enterprise version is the cheapest that I have found after a market study."
"Only one payment and it includes support, updates, new versions, and access to the complete library of plugins except for SAP and z/OS."
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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%
Computer Software Company
8%
Manufacturing Company
7%
Comms Service Provider
7%
Comms Service Provider
14%
Construction Company
11%
Outsourcing Company
8%
Manufacturing Company
8%
 

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: April 2026.
890,124 professionals have used our research since 2012.