No more typing reviews! Try our Samantha, our new voice AI agent.

Corelight Open NDR vs Flowmon comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Apr 22, 2026

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

Corelight Open NDR
Ranking in Network Detection and Response (NDR)
11th
Average Rating
9.0
Reviews Sentiment
7.6
Number of Reviews
5
Ranking in other categories
Network Traffic Analysis (NTA) (7th)
Flowmon
Ranking in Network Detection and Response (NDR)
13th
Average Rating
8.6
Reviews Sentiment
7.5
Number of Reviews
4
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2026, in the Network Detection and Response (NDR) category, the mindshare of Corelight Open NDR is 5.0%, down from 5.5% compared to the previous year. The mindshare of Flowmon is 2.2%, up from 1.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Network Detection and Response (NDR) Mindshare Distribution
ProductMindshare (%)
Corelight5.0%
Flowmon2.2%
Other92.8%
Network Detection and Response (NDR)
 

Featured Reviews

Dan Jeske - PeerSpot reviewer
Account Executive at Fishtech Group
An open-source solution that gave us insight into our clients' network traffic flow
We use the solution for packet capture sampling. We offer it as part of our managed service. It's so we can identify east-west traffic on a customer's network Corelight is low-cost and made on open-source, and the code is Zeek. It's an easy way for us to get visibility in a client's environment.…
Pifu Lin - PeerSpot reviewer
Senior System Engineer at DYNASAFE TECHNOLOGIES PTE. LTD.
Quick identification of network issues enhances performance monitoring
We will try to Proof of Concept (POC) to a client in Taiwan. We just use the features for the Network Performance Monitor (NPM) Flowmon is more easy to understand and helps find network issues more quickly. We need this solution to monitor the network performance. We started using it three…

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 embedded IDS from Suricata."
"It is easy to deploy and easy to handle."
"Technical support seems to be good."
"It's easy to create additional dashboards specific to supporting specific tasks."
"It is easy to deploy and easy to handle."
"Corelight is easy to use."
"It's an easy way for us to get visibility in a client's environment."
"Corelight makes much easier the remediation of cyber attacks; instead of facing a chaotic amount of logs, Corelight provides correlated metrics that allow pivoting to find, in seconds, all the data related to an alert, detection, or asset."
"Flowmon is more easy to understand and helps find network issues more quickly."
"It is an open platform, so in terms of integration, we are quite happy. We can integrate it with other SNMP solutions. We can also integrate it with security solutions, such as a SIEM solution."
"The solution is stable."
"The artificial intelligence and automatic detection system in Flowmon Solution are perfect for every type of customer, such as government and commerce."
"The solution is both stable and scalable and we are happy with the product."
"The artificial intelligence and automatic detection system in Flowmon Solution are perfect for every, type of customer, such as government and commerce."
"Flowmon is more easy to understand and helps find network issues more quickly."
"If people or users are complaining that the network is slow, Flowmon can easily detect the cause of the network problem."
 

Cons

"They can enhance the interface of the product. They can make it more interactive and also easier to use for feature access."
"Machine learning could be a good improvement, but it's very costly."
"They can enhance the interface of the product. They can make it more interactive and also easier to use for feature access."
"Corelight hasn’t added features in a long time."
"The solution’s architecture is complex and difficult to understand. There are multiple machines and VMs."
"In the next release, building a graphical user interface would be helpful."
"Machine learning could be a good improvement, but it's very costly."
"It's an expensive solution and the price could be reduced."
"The price of the license could be lower."
"It would be helpful to have more details about the monitoring of the infrastructure. It should have support for SNMP."
"If there was better visualization in Flowmon Solution it would be good."
"If there was better visualization in Flowmon Solution it would be good."
"I do not know the detailed pricing."
"The licensing price could be better."
"It would be helpful to have more details about the monitoring of the infrastructure. It should have support for SNMP. This is something that is currently not there in the product."
 

Pricing and Cost Advice

"It's a yearly fee and depends on what you are looking for."
"The price of the solution could be better."
"The licensing fee accrues only once, but that of support is annual."
"It works with a permanent license, and then you can pay for the support. For the gold support, you need to pay yearly."
report
Use our free recommendation engine to learn which Network Detection and Response (NDR) solutions are best for your needs.
889,955 professionals have used our research since 2012.
 

Top Industries

By visitors reading reviews
Government
12%
Financial Services Firm
12%
Computer Software Company
9%
Real Estate/Law Firm
9%
Manufacturing Company
12%
Financial Services Firm
11%
Computer Software Company
10%
Construction Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

Ask a question
Earn 20 points
What is your experience regarding pricing and costs for Flowmon Anomaly Detection System?
I don't understand the price. I am in deployment, so I do not know the detailed pricing.
What is your primary use case for Flowmon Anomaly Detection System?
We will try to Proof of Concept (POC) to a client in Taiwan. We just use the features for the Network Performance Monitor (NPM).
 

Also Known As

Corelight Open NDR
Flowmon Anomaly Detection System
 

Overview

 

Sample Customers

CarrefourEdnonGrand Canyon EducationSektorCERTTietoevryVolkswagen Financial Services
SEGA
Find out what your peers are saying about Corelight Open NDR vs. Flowmon and other solutions. Updated: April 2026.
889,955 professionals have used our research since 2012.