Nmap vs Observer GigaStor comparison

Nmap and Viavi Solutions are both solutions in the Network Monitoring Software category. Nmap is ranked #24 with an average rating of 8.3, while Viavi Solutions is ranked #84. Nmap holds a 1.1% mindshare in NMS, compared to Viavi Solutions’s 0.5% mindshare. Additionally, 100% of Nmap users are willing to recommend the solution, compared to 100% of Viavi Solutions users who would recommend it.

Nmap

Read 23 Nmap reviews

6,555 Views
6,227 Comparison Views

100% willing to recommend

Observer GigaStor

Read 7 Observer GigaStor reviews

2,796 Views
1,761 Comparison Views

100% willing to recommend

Nmap

Observer GigaStor

Comparison Buyer's Guide

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Executive SummaryUpdated on Oct 10, 2024

Nmap and Observer GigaStor are products engaged in network analysis. Nmap appears to have the advantage in pricing and ease of use, while Observer GigaStor leads in offering extensive features for network forensics.

Features: Nmap provides network mapping, security auditing, and identification of open ports with application details. Observer GigaStor delivers advanced packet capture, network forensics, and detailed performance monitoring capabilities.

Room for Improvement: Nmap could enhance its scalability, improve its user interface, and offer more comprehensive analytics. Observer GigaStor might need to streamline its deployment process, reduce the complexity of its navigation, and lower its overall cost of ownership.

Ease of Deployment and Customer Service: Nmap is easy to install and comes with extensive documentation, making it suitable for diverse IT environments. Observer GigaStor requires a more intricate setup but provides strong support services to aid in deployment.

Pricing and ROI: Nmap, being open-source, has minimal setup costs and offers high ROI. Observer GigaStor requires more significant initial investment, but its detailed analytics provide long-term value in network management.

To learn more, read our detailed Nmap vs. Observer GigaStor Report (Updated: August 2026).

Buyer's Guide

Nmap vs. Observer GigaStor

August 2026

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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

24th

Average Rating

8.6

Reviews Sentiment

7.5

Number of Reviews

Ranking in other categories

No ranking in other categories

Observer GigaStor

Ranking in Network Monitoring Software

84th

Average Rating

9.0

Reviews Sentiment

8.1

Number of Reviews

Ranking in other categories

Network Troubleshooting (14th), Network Packet Broker (NPB) (8th)

Mindshare comparison

As of August 2026, in the Network Monitoring Software category, the mindshare of Nmap is 1.1%, up from 0.5% compared to the previous year. The mindshare of Observer GigaStor is 0.5%, up from 0.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Network Monitoring Software Mindshare Distribution
Product	Mindshare (%)
Nmap	1.1%
Observer GigaStor	0.5%
Other	98.4%

Network Monitoring Software

Featured Reviews

Sai Aditya Panda

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.

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Jeroen-Dubbelman

Director at Bitrate

Aids significantly in the threat-hunting process and provides a score-based evaluation of user experience

There are many valuable features, but understanding end-user response times stands out. It provides a score-based evaluation of user experience, helping customers quickly pinpoint whether issues originate from the network, server, client, or application. Additionally, it facilitates in-depth analysis of application dependencies. The retrospective network analysis capability of Observer GigaStor has been beneficial. It's a pivotal feature for network performance solutions. However, I prefer to consider the entire solution suite - GigaStor, along with GigaFlow and Apex - for comprehensive network visibility and monitoring. So, I prefer to integrate all three solutions to provide the best visibility. They complement each other well, with Apex aggregating and correlating data from both GigaStor and GigaFlow to enhance environmental understanding and troubleshooting efficiency.

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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 of the solution for security audits stems from the fact that it serves as a powerful tool with the ability to scan a large number of ports."

"It helps us secure the network infrastructure."

"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 scan our network and identify devices that aren't connected properly. This helps us detect any issues related to the operating systems of these devices."

"It is most efficient network scanner right now."

"From a functionality standpoint, it's robust and straightforward to comprehend."

"Nmap has a powerful command line tool and a set of diagnostic features."

"This was my first project, and Nmap was the best tool that I have used to date, and I recommend it to everyone."

"The real-time reporting feature of Nmap is particularly valuable. It generates detailed reports on the source and destination IP addresses, the protocols used, and the types of traffic."

More Nmap pros

"Go take a look at it. It's a great product and has great capabilities."

"I have no regrets using this product, I am very satisfied for what I paid for it and for the things I am able to do with the product."

"Enables us to go back in time to capture an issue and analyze it for a solution, and this after the fact analysis is key to overcoming the bump in the night issues."

"It can help to write your rules, organize firewalls, your block, and also your protocols and IP address to come in or out of your network."

"Industry-leading line rates, packet-capture technology and data-mining capabilities are the most valuable features."

"The ability to capture packets. It is not only for monitoring. That is very important for a company that wants to keep an eye on the packets, the transactions, the flows..."

"There are many valuable features, but understanding end-user response times stands out. It provides a score-based evaluation of user experience, helping customers quickly pinpoint whether issues originate from the network, server, client, or application. Additionally, it facilitates in-depth analysis of application dependencies."

"I also have the ability to see an application's performance, to see what's going on, why a network is slow, why this program for this user is experiencing a delay or some network issue"

More Observer GigaStor pros

Cons

"There is no support."

"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 tool's license limits the number of scans it can perform. Improving the license model could benefit customers by allowing more scans for compliance and other purposes."

"There could be a specific option to check non-pingable endpoints for the product."

"The challenge often lies in finding suitable courses and professional resources."

"The solution is not that easy for a beginner to learn."

"Customization is not very user-friendly in Nmap."

"The price is high and could be cheaper."

More Nmap cons

"The interface is pretty complex, so for the average user, it takes a while to get up to speed with it. I would like it to be more user-friendly."

"The Observer Console UI is consistent and stable, but could use some updating to be more modern."

"Graphics need improvement. Because a lot of the information there you have to input first in some case to have full potential. It could be more automated."

"Maybe the graphical user interface could be simplified to allow people to use it more easily. It's already good, but they can work more on it to make it even easier."

"There are some issues, in our environment that puts processing restraints on the Gigastor when turning on trending data to be sent to APEX."

"I would like to have more than 4TB of storage available in the portable version of this solution."

"GigaStor feeds into Apex. So, the area where there could be improvement would be in artificial intelligence. For example, the incorporation of more advanced machine learning or AI capabilities could enhance its functionality."

Pricing and Cost Advice

"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."

"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."

"The solution is open source so it is free."

"I am using the free version of Nmap."

"Nmap is an open-source product. You don't need a license to install it."

"Nmap is open source software, which suits us well because we are a manufacturing company and not an IT company, for example. If we were an IT company, we would probably need to pay for extra support or instead go for another software solution. But as it is, we don't have any need for high-end troubleshooting tools."

"Nmap is an open-source and free product."

"The solution is free of cost."

More Nmap pricing and cost advice

"It depends on the requirements you have. There are three types of license. There's the updates license, the work group license, and the workstation license."

"It's quite expensive."

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Top Industries

By visitors reading reviews

Manufacturing Company

10%

Construction Company

10%

University

Outsourcing Company

Construction Company

18%

Financial Services Firm

14%

Outsourcing Company

Computer Software Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	10
Midsize Enterprise	1
Large Enterprise	14

By reviewers
Company Size	Count
Small Business	5
Large Enterprise	3

Questions from the Community

What is your primary use case for Nmap?

My main use case for Nmap is reconnaissance, so identifying open ports or running services and ultimately finding the security risks or vulnerabilities in a system. OS detection is the most importa...

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What advice do you have for others considering Nmap?

I think I should be learning more about the commands and how Nmap works so that it will be better for my career. I will do that. There is nothing else to add to it, except a huge thank you to the p...

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What needs improvement with Nmap?

See all answers

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Product Reports

Buyer's Guide

Nmap

August 2026

Download Nmap product report

Buyer's Guide

Observer GigaStor

August 2026

Download Observer GigaStor product report

Overview

Nmap is a comprehensive tool for network reconnaissance and security evaluation, offering features like port scanning and OS detection. It assists in uncovering network configurations, essential for cybersecurity operations.

Designed for network discovery and auditing, Nmap is a highly adaptable tool vital for penetration testing and security analysis. Users utilize it to identify open ports and operating systems, conduct vulnerability assessments, and map networks. While its CLI offers flexibility, the absence of a graphical interface can be a hurdle for new users. Enhancements in scanning speed and the addition of network issue resolution features would increase its effectiveness. Industry use cases show its necessity in cybersecurity, where it aids in uncovering network devices, evaluating services, and assessing security postures.

What are the key features of Nmap?

Port Scanning: Identifies open ports within a network.
Service Detection: Discovers services running on network devices.
OS Detection: Determines operating systems to assess vulnerabilities.
Network Diagnostics: Provides insights for system auditing and performance evaluation.
Script Integration: Utilizes scripts for enhanced vulnerability scanning.

What benefits should users look for?

Network Visibility: Helps reveal detailed network configurations for efficient management.
Security Posture Assessment: Evaluates an organization's exposure to threats.
Flexible Tool Integration: Works with other tools, enhancing cybersecurity decision-making.

Nmap is indispensable in industries focused on cybersecurity and network management. It plays a significant role in telecommunications, finance, and IT sectors by enabling detailed network analysis, enhancing penetration testing, and facilitating compliance assessments. Robust integration capabilities make it a versatile choice for enterprises and security experts.

Nmap

Observer GigaStor provides detailed network visibility and data capture for efficient troubleshooting and analysis. It's a robust tool designed to manage today’s complex network environments, offering reliability and performance insights.

Observer GigaStor specializes in long-term network traffic capture, delivering comprehensive forensic analysis capabilities. It stands as a trusted resource for IT departments aiming to resolve network performance issues swiftly. By capturing and storing packets with high precision, it aids in identifying both current and past anomalies, ensuring network health and performance continuity through proactive monitoring.

What are the key features of Observer GigaStor?

Long-term Data Capture: Enables storage of vast amounts of data for extensive historical analysis.
Comprehensive Protocol Support: Offers support for diverse protocols, enhancing troubleshooting accuracy.
Retrospective Analysis: Provides the ability to trace issues back to their origin point, improving issue resolution speed.
Scalability: Adapts to network growth without sacrificing performance capabilities.

What benefits and ROI can be expected from reviews?

Increased Troubleshooting Efficiency: Provides quicker resolution times, reducing network downtime.
Enhanced Network Visibility: Improves understanding of network performance and traffic patterns.
Reduced Operational Costs: Limits the need for manual troubleshooting, saving on labor costs.
Improved Decision Making: Data insights aid in strategic planning for infrastructure improvements.

Observer GigaStor's implementation spans across various industries, from telecommunications to finance, where maintaining robust and secure network performance is crucial. Its ability to analyze and retrieve historical network data supports compliance and operational stability demands in these sectors.

Viavi Solutions

Sample Customers

Lockheed Martin, Eastern Bank Boston, Perspecta, Harris Corporation, Discovery Communication

Cisco Systems, Hawaiian Telecom, Renown Health, State of Nevada, U.S. Department of Veteran Affairs, Allstate Insurance, Jack Henry & Associates, United States Airforce, US Bank, Blue Cross Blue Shield of Minnesota, Texas Tech University Health Sciences Center, Chicago Board Options Exchange

Buyer's Guide

Nmap vs. Observer GigaStor

August 2026

Free Report: Nmap vs. Observer GigaStor

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