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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
23rd
Average Rating
8.0
Reviews Sentiment
6.8
Number of Reviews
58
Ranking in other categories
Server Monitoring (12th), IT Infrastructure Monitoring (20th), Cloud Monitoring Software (23rd)
OmniPeek
Ranking in Network Monitoring Software
47th
Average Rating
7.8
Reviews Sentiment
6.0
Number of Reviews
8
Ranking in other categories
Application Performance Monitoring (APM) and Observability (37th)
 

Mindshare comparison

As of March 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 OmniPeek is 0.5%, 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 XI2.4%
OmniPeek0.5%
Other97.1%
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.
Vinal-Patel - PeerSpot reviewer
Network Architect, internally known as Network Transformation Lead at a pharma/biotech company with 10,001+ employees
Real-time analytics and alerts improve application performance and network operations
OmniPeek's ability to convert application visibility into flow helps me quickly understand application performance over LAN, WAN, or wireless. Its real-time analytics, integrated with LiveNX, allow me to monitor business-critical applications and set up alerts for application performance issues. This centralized dashboard and alert system is highly valuable for maintaining network operations.

Quotes from Members

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

Pros

"I would recommend this solution because it's so powerful with no limitation, especially when using the XI version."
"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."
"BPI: It allows defining peripherals to map business criticality for efficient monitoring, as required."
"The most valuable feature of Nagios XI is customization. We can customize based on our requirements. We can do modifications and implement a lot of scripts. Additionally, it is easy to use."
"Nagios XI is a simple monitoring tool with performance management and everything a standard monitoring tool provides."
"The dashboard allows you to see what's going on in the overall system."
"The alerting system is very effective."
"If you are a mid-sied company with an eye on expansion, this solution is very good."
"It's a solid piece of software. It's stable."
"The most valuable feature of OmniPeek was the ability it gave us to see the connection procedure."
"I believe the most crucial feature of OmniPeek search is the ability to sniff packets based on channel switching."
"OmniPeek's ability to convert application visibility into flow helps me quickly understand application performance over LAN, WAN, or wireless."
"OmniPeek shows the entire packet flow and structure, particularly in security-related scenarios, whereas Wireshark sometimes fails to capture all packets."
"The most valuable feature of OmniPeek is the ability to assign custom color codes to the different packets easily."
"The most valuable feature of OmniPeek was the ability it gave us to see the connection procedure."
"The most valuable feature is OmniPeek is user-friendly."
 

Cons

"Nagios needs to improve their incident manager. Currently, it isn't good for ITIL in my opinion."
"There's room for improvement in the visibility, and in the ability to extract information. Stuff like this should be more simple."
"This solution would be improved with the inclusion of additional services. Monitoring streaming services is an example of something that is not currently supported, so in order to handle this, I would have to write a script."
"For some, it may be difficult to deploy."
"It can be quite difficult to know which drivers and agents to use when setting up."
"WebUI should be improved (visual aspect) and should incorporate non-relational databases."
"I would like to see more customization in the network map because it is a bit tricky to use it."
"The technical support is variable - sometimes I get answers, but most of my tickets go unanswered."
"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."
"Sometimes setting up the filters for the product is difficult, and I can't quickly sharpen them from the home screen."
"I am not using OmniPeek for automation, we only do manual testing. Automation testing is tedious to do."
"OmniPeek doesn't support Linux or Unix installations, which prompted the shift to Wireshark."
"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."
"OmniPeek needs to improve its performance level."
"The solution's automation has room for improvement."
 

Pricing and Cost Advice

"Nagios XI is open source."
"The licensing fees for this solution are approximately $3,000 USD per year."
"We are using the free version of this solution."
"The pricing is really cost efficient. The licensing is perpetual and can be renewed very easily."
"The pricing is high with separate licensing for the product and support."
"Nagios XI is an expensive solution."
"As it is not an agentless tool, I think it is expensive."
"Nagios Core does not have any payment, but Nagios XI requires payment for the license."
"The pricing for this solution could be improved, as it is a very expensive product."
"We have only purchased the add-on once and have not paid for any subsequent versions as it was too costly for us."
"There are different types of licenses available."
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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
9%
Computer Software Company
9%
Manufacturing Company
7%
Government
7%
Educational Organization
9%
Manufacturing Company
9%
Construction Company
8%
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: March 2026.
885,311 professionals have used our research since 2012.