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Nagios XI vs OmniPeek comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Oct 10, 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
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
58
Ranking in other categories
Server Monitoring (9th), IT Infrastructure Monitoring (17th), Cloud Monitoring Software (20th)
OmniPeek
Ranking in Network Monitoring Software
45th
Average Rating
7.8
Reviews Sentiment
6.0
Number of Reviews
8
Ranking in other categories
Application Performance Monitoring (APM) and Observability (38th)
 

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 OmniPeek is 0.6%, up from 0.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Nagios XI2.5%
OmniPeek0.6%
Other96.9%
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.
AK
Senior Software Engineer at Microchip Technology Inc.
Helps analyze network packets effectively and saves time for testers
I have utilized the packet capturing capabilities in OmniPeek. Using the Alpha sniffer and hardware-supported network devices, we can perform sniffer capturing for Wi-Fi wireless packets and router packets. The interface allows us to capture packets and observe connection establishment, data transfer, and the downloading and uploading of packets, such as TCP and UDP packets. The software works for both wireless and wired connections, including Ethernet. As a wireless test engineer in the wireless industry, the features of OmniPeek help me monitor network activity. While there are alternatives such as Wireshark, OmniPeek supports Windows and is particularly helpful for testers, especially for device certification validation. This software enables packet analysis to verify protocol compliance and identify issues. For developers, packet captures from OmniPeek assist in understanding and debugging issues.

Quotes from Members

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

Pros

"The overall performance of the product is superb."
"Nagios allows us to configure any device so that we can send pager alerts when people don't have access to emails, and it also allows us to schedule downtime and maintenance."
"It's great for monitoring IT services infrastructure."
"Nagios is an open source monitoring tool for monitoring network services, with easy installation, a user-friendly and configurable interface, and the ability to monitor disk space, CPU utilization, memory usage, host availability, NFS availability and many other things, making it widely used in IT markets."
"The alerting system is very effective."
"The Script Module in Nagios is really easy to use and is really cost efficient."
"They have very accurate and fast support."
"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."
"I believe the most crucial feature of OmniPeek search is the ability to sniff packets based on channel switching."
"The most valuable feature is OmniPeek is user-friendly."
"The most valuable feature of OmniPeek is the ability to assign custom color codes to the different packets easily."
"OmniPeek's ability to convert application visibility into flow helps me quickly understand application performance over LAN, WAN, or wireless."
"The most valuable feature of OmniPeek is the ability to assign custom color codes to the different packets easily."
"This is a good product; I would recommend and encourage people to use it because it has helped me a lot in the field."
"The most valuable features are the voice bot, which checks the quality of service for voice, and the expert view that gives me insight on what and where to troubleshoot."
"It's a solid piece of software. It's stable."
 

Cons

"The user interface needs improvement. Many tools have poor user interfaces, making them hard to manage and navigate."
"The product does not have SAP monitoring."
"I would like to see more customization in the network map because it is a bit tricky to use it."
"The reporting part should be made simpler. While we can obtain all the reports we need, we always have to create work-arounds to get them."
"There's room for improvement in the visibility, and in the ability to extract information. Stuff like this should be more simple."
"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 needs to improve their incident manager. Currently, it isn't good for ITIL in my opinion."
"The Configuration Wizard needs improvement, because not all vendors are present."
"The solution's automation has room for improvement."
"OmniPeek needs to improve its performance level."
"I would like to see the saving feature improved. We have had issues if you do not save your progress then you have to start from the beginning."
"I am not using OmniPeek for automation, we only do manual testing. Automation testing is tedious to do. The automation should be more user-friendly. I have exposed some APIs but the usage is not user-friendly."
"Sometimes setting up the filters for the product is difficult, and I can't quickly sharpen them from the home screen."
"I don't see a clear roadmap in the future for improving this software."
"I would like to see the saving feature improved. We have had issues if you do not save your progress then you have to start from the beginning."
"I am not using OmniPeek for automation, we only do manual testing. Automation testing is tedious to do."
 

Pricing and Cost Advice

"As it is not an agentless tool, I think it is expensive."
"Licensing costs are reasonable."
"It is good to contact experts for advice about what is the best solution for your specific infrastructure and enterprise."
"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 pricing is really cost efficient. The licensing is perpetual and can be renewed very easily."
"This solution is very expensive, at approximately $5,000 USD when I purchased it, which is why I haven't upgraded my version in several years."
"We are using the free version of this solution."
"The licensing fees for this solution are approximately $3,000 USD per year."
"There are different types of licenses available."
"We have only purchased the add-on once and have not paid for any subsequent versions as it was too costly for us."
"The pricing for this solution could be improved, as it is a very expensive product."
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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%
Comms Service Provider
7%
Manufacturing Company
7%
Comms Service Provider
13%
Manufacturing Company
10%
Educational Organization
9%
Healthcare 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
Midsize Enterprise1
Large Enterprise7
 

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...
What needs improvement with OmniPeek?
There isn't anything specific that needs improvement in OmniPeek, as it performs better than Wireshark for our requirements. However, OmniPeek could benefit from supporting different platforms. Pla...
What is your primary use case for OmniPeek?
I have been working with the OmniPeek product for almost two years at the start of my career, primarily using it for wireless 802.11 Wi-Fi packets, sniffer, and analysis. My experience with OmniPee...
What advice do you have for others considering OmniPeek?
I didn't explore much about OmniPeek beyond its basic features. OmniPeek is user-friendly and easy to start working with, especially on the Windows platform. For beginners, it is very easy to handl...
 

Comparisons

 

Also Known As

No data available
Savvius OmniPeek
 

Overview

 

Sample Customers

Nagios has over one million users globally, including AOL, DHL, McAfee, MCI, MTV, Yahoo!, Universal, Toshiba, Sony, Siemens, and JPMorgan Chase.
Apcon, Aruba Networks, Avaya Inc., Cisco Systems, Ekahau, Gigamon Systems, HP, IBM, IXIA, Meru Networks, Napatech, NextComputing, Procera Networks, Qualcomm Atheros, Ralink Technology Corporation, Telchemy
Find out what your peers are saying about Nagios XI vs. OmniPeek and other solutions. Updated: April 2026.
894,738 professionals have used our research since 2012.