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Nmap vs Opsview 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

Nmap
Ranking in Network Monitoring Software
17th
Average Rating
8.6
Reviews Sentiment
7.7
Number of Reviews
23
Ranking in other categories
No ranking in other categories
Opsview
Ranking in Network Monitoring Software
48th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
25
Ranking in other categories
Server Monitoring (20th), IT Infrastructure Monitoring (37th), Cloud Monitoring Software (26th)
 

Mindshare comparison

As of April 2026, in the Network Monitoring Software category, the mindshare of Nmap is 0.8%, up from 0.5% compared to the previous year. The mindshare of Opsview is 0.9%, up from 0.4% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Monitoring Software Mindshare Distribution
ProductMindshare (%)
Nmap0.8%
Opsview0.9%
Other98.3%
Network Monitoring Software
 

Featured Reviews

Sai Aditya Panda - PeerSpot reviewer
Student at a consultancy with 11-50 employees
Penetration testing has become efficient as I identify open ports and security risks with confidence
Nmap could potentially become a GUI and provide automatic reports with one-click downloads. For example, the report could show all the open ports for an IP address with a professionally formatted report. This is a far-fetched suggestion and not really required, but it could make the work a little better. On a scale of one to ten, I give Nmap a solid nine. I mean, how can you fix something that is not broken? Nmap is already the best, and I do not think there are any other features that can be added. Its job is reconnaissance, so I do not think there is more to add to it. However, if I get any ideas, I will let them know about this.
reviewer1898607 - PeerSpot reviewer
Partner Technical Support & Escalation Manager at a tech vendor with 51-200 employees
Real-time dashboards have improved our deployment monitoring and incident response
We are using Opsview ourselves, rather than being a consultant or a reseller. We do not use its auto-discovery feature. We do not utilize its API driven architecture. I do not know what metrics we use to assess the effectiveness of Opsview's hybrid IT monitoring. Overall, I am pretty satisfied with Opsview as it is good for what it does. I do not know if Grafana has any other advantages besides better stats, as I am not involved in that side. Based on my experience, I would still recommend Opsview to others as it is good for what it does. I gave this review a rating of 8.

Quotes from Members

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

Pros

"The solution really is not comparable to other products because of its many features."
"The solution detects the operating systems, which makes testing the software much easier before making the payload."
"Nmap is free and should stay this way."
"This was my first project, and Nmap was the best tool that I have used to date, and I recommend it to everyone."
"It is most efficient network scanner right now."
"The initial setup was simple."
"Nmap's performance is great, and I've never noticed any issues in this respect. It really doesn't put a heavy load on the machine when using it."
"It is a very user-friendly product."
"The dashboards are the real value add for this product in my opinion and enhance customer experience if done properly."
"I like its scalability thanks to slaves, as you can add as many as you want, which also allows you to reach and monitor devices running on the network that are not accessible by the master."
"There are several valuable features for us, including ease of configuration of monitoring of new hosts/services, worker redundancy and load balancing, and the fact that it’s compatible with the plethora of existing Nagios plugins available on the web."
"Customer service is great; always responsive, within minutes at times."
"Afterwards, they were impressed by how easy monitoring could be, and they no longer had to edit large text files in order to configure hosts and service checks."
"We use this solution for internal monitoring our own cloud platform because we are a public cloud provider, and we also use it for monitoring purposes on behalf of our clients."
"We now have a single view for all systems monitored within our IT estate, while we previously had three different systems (each configured differently)."
"The system is very robust and very rarely breaks."
 

Cons

"Since I started using Nmap, it has been completely based on the command prompt and I think it would help other users if they implemented a decent GUI as well."
"It takes a bit of time to get familiar with the solution and its options."
"The challenge often lies in finding suitable courses and professional resources."
"There is room for improvement in the design, the GUI. It looks a bit odd. Maybe Nmap should improve it or add more widgets to make it more attractive, but the basic functionality is good and provides what we need."
"The solution is not that easy for a beginner to learn."
"One of the drawbacks of the standard Nmap utility is that it does not come with a graphical user interface, unlike a number of other open-source alternatives such as Zenmap."
"The price is high and could be cheaper."
"I would like something more user-friendly to use and export data to various software."
"I wish they'd update the iOS app, which, I think, is the same version I used back in 2012 or so."
"We have had some stability issues, but that is largely because we're using an unsupported database."
"Maybe the graphical representation can be improved. It can be enhanced for better visualization. It could be a little better. And the graph center can be improved."
"Some of the graphics on Opsview could be improved."
"It's probably the priciest option of all its main competitors."
"Reload time: Although there have been major gains in the time to process reloads, I think that there is still room for improvement in this area."
"Pricing and a few certain aspects in the solution needs to be improved."
"Sometimes Opsview has crashed, but the multiple master/slave solution provides consistent uptime for monitoring."
 

Pricing and Cost Advice

"The solution is open source so it is free."
"The solution is free of cost, but there are specific services that we have to buy."
"It's an open-source product, and I haven't seen any premiums. Options are available for those who purchase, but for my use case, everything I need is available in the community and forums."
"I am using the free version of Nmap."
"Nmap is an open-source and free product."
"The product's pricing is fine. The licensing options for Nmap include perpetual licenses and volume-based licenses. For perpetual licenses, once you purchase it, there's no need to invest in renewals. And for volume-based licenses, enterprise companies can use it multiple times based on the number of users or devices they need to scan. It's a pay-as-you-go model, similar to how you pay for what you use."
"It's an open-source solution. Commerically, only the support service is available."
"Nmap is an open-source product. You don't need a license to install it."
"The solution is not cheap. I think that the pricing is a little bit on the high side."
"I would rate pricing a seven out of ten, where ten is the highest price."
"The solution is priced similarly to other tools offering similar features."
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Top Industries

By visitors reading reviews
Manufacturing Company
12%
Construction Company
10%
Government
9%
University
9%
Computer Software Company
14%
Construction Company
11%
Manufacturing Company
9%
Healthcare Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business10
Midsize Enterprise1
Large Enterprise11
By reviewers
Company SizeCount
Small Business12
Midsize Enterprise5
Large Enterprise9
 

Questions from the Community

What do you like most about Nmap?
Nmap is mostly helpful during compliance checks. We run the scanner to see how many devices are on our network and find vulnerabilities in those that aren't compliant. We also use it monthly to sca...
What is your primary use case for Nmap?
Nmap is used for network scanning to map the network, identify devices, and assess their status. It helps determine open ports and services running on a particular endpoint or server within an ente...
What needs improvement with Opsview Monitor?
There is always room for improvement, and part of the reason we're looking at Grafana is because there are things it can do that Opsview cannot do as well. Grafana does have features that I think m...
What is your primary use case for Opsview Monitor?
Our primary use case is monitoring our deployments.
What advice do you have for others considering Opsview Monitor?
We are using Opsview ourselves, rather than being a consultant or a reseller. We do not use its auto-discovery feature. We do not utilize its API driven architecture. I do not know what metrics we ...
 

Comparisons

 

Also Known As

No data available
Opsview Monitor, Opsview Enterprise
 

Overview

 

Sample Customers

Lockheed Martin, Eastern Bank Boston, Perspecta, Harris Corporation, Discovery Communication
IBM, BT, Cisco, Sky, UPS, Capgemini, Visolit, Fujitsu Services UK, UKCloud, Massachusetts Insitute of Technology, Cornell University, Incomm
Find out what your peers are saying about Nmap vs. Opsview and other solutions. Updated: March 2026.
885,376 professionals have used our research since 2012.