# Top Free Network Detection and Response (NDR) Software

Check out our list of free Network Detection and Response (NDR) Software. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features.

If you'd like to see more products and to evaluate additional feature options, compare all [Network Detection and Response (NDR) Software](https://www.g2.com/categories/network-detection-and-response-ndr) to ensure you get the right product.

## View Free Network Detection and Response (NDR) Software

G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our [scoring methodologies](https://research.g2.com/g2-scoring-methodologies).

**14** Network Detection and Response (NDR) Products Available
View all [Network Detection and Response (NDR) Software](https://www.g2.com/categories/network-detection-and-response-ndr)

View all [Network Detection and Response (NDR) Software](https://www.g2.com/categories/network-detection-and-response-ndr)

[
### TrendAI Vision One
](https://www.g2.com/products/trendai-vision-one/reviews)

[By Trend Micro](https://www.g2.com/sellers/trend-micro)

[

(251)4.7 out of 5
](https://www.g2.com/products/trendai-vision-one/reviews#reviews "Read TrendAI Vision One Reviews")

Product Description

TrendAI Vision One is a cloud-native security operations platform, serving cloud, hybrid, and on-premises environments. It combines ASM and XDR in a single console to effectively manage cyber risk acr

**Industries:** Information Technology and Services, Computer & Network Security · **Market Segment:** 52% Enterprise, 33% Mid-Market

TrendAI Vision One features and usability ratings that predict user satisfaction

7.2

Metadata Enrichment

Average: 8.5

8.7

Quality of Support

Average: 8.9

8.1

Multi-Network Monitoring

Average: 8.6

8.7

Network Visibility

Average: 8.8

BH

Trend Micro has a best in class threat research team which allows for virtual patches to be applied to all devices with Trend Micro Vision One....[Read review](https://www.g2.com/products/trendai-vision-one/reviews/trendai-vision-one-review-9942042)

 ![Verified User in Consumer Goods](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Consumer Goods")
AC

A lot of information, The DDI catches everything. Highly responsive, and notifies relevent parties immedietly. The dashboard provides great...[Read review](https://www.g2.com/products/trendai-vision-one/reviews/trendai-vision-one-review-11255874)

Year Founded
1988

HQ Location
Tokyo

Company Website
https://www.trendmicro.com/

LinkedIn® Page
https://www.linkedin.com/company/4312/

Ownership
OTCMKTS:TMICY

[
### ExtraHop
](https://www.g2.com/products/extrahop/reviews)

[By ExtraHop Networks](https://www.g2.com/sellers/extrahop-networks)

[

(68)4.6 out of 5
](https://www.g2.com/products/extrahop/reviews#reviews "Read ExtraHop Reviews")

Product Description

ExtraHop is the cybersecurity partner enterprises trust to reveal cyber risk and build business resilience. The ExtraHop RevealX platform for network detection and response and network performance man

**Industries:** Hospital & Health Care, Transportation/Trucking/Railroad · **Market Segment:** 69% Enterprise, 26% Mid-Market

ExtraHop features and usability ratings that predict user satisfaction

9.1

Metadata Enrichment

Average: 8.5

9.0

Quality of Support

Average: 8.9

9.3

Multi-Network Monitoring

Average: 8.6

9.8

Network Visibility

Average: 8.8

 ![Verified User in Telecommunications](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Telecommunications")
UT

The capability of deep dive into any OSI Layer's protocol to match your pre-configured triggers for abnormal network pattern and potential issue...[Read review](https://www.g2.com/products/extrahop/reviews/extrahop-review-664650)

 ![Verified User in Telecommunications](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Telecommunications")
AT

EAsy to use, intuitive platform, drill downs[Read review](https://www.g2.com/products/extrahop/reviews/extrahop-review-4581251)

Year Founded
2007

HQ Location
Seattle, Washington

Company Website
https://www.extrahop.com/

Twitter
@ExtraHop

LinkedIn® Page
https://www.linkedin.com/company/extrahop-networks/

[![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

Sponsored

G2 Advertising

Get 2x conversion than Google Ads with G2 Advertising!

G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments.

[
Learn More
](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source)

[
### Rapid7 Next-Gen SIEM
](https://www.g2.com/products/rapid7-next-gen-siem/reviews)

[By Rapid7](https://www.g2.com/sellers/rapid7)

[

(74)4.4 out of 5
](https://www.g2.com/products/rapid7-next-gen-siem/reviews#reviews "Read Rapid7 Next-Gen SIEM Reviews")

Product Description

Rapid7 InsightIDR is a SaaS SIEM for modern threat detection and response. InsightIDR enables security analysts to work more efficiently and effectively, by unifying diverse data sources, providing ea

**Industries:** Information Technology and Services, Computer Software · **Market Segment:** 66% Mid-Market, 31% Enterprise

Rapid7 Next-Gen SIEM features and usability ratings that predict user satisfaction

8.3

Metadata Enrichment

Average: 8.5

8.9

Quality of Support

Average: 8.9

8.0

Multi-Network Monitoring

Average: 8.6

9.0

Network Visibility

Average: 8.8

AA

InsightIDR comes with onsite premises and cloud deployment options. It allows integration with log collection from Saas apps through connectionrs,...[Read review](https://www.g2.com/products/rapid7-next-gen-siem/reviews/rapid7-next-gen-siem-review-870856)

 ![Verified User in Capital Markets](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Capital Markets")
GC

Ease of use, cost, integration with blockchain platform. Analytics. dashboard[Read review](https://www.g2.com/products/rapid7-next-gen-siem/reviews/rapid7-next-gen-siem-review-881324)

Year Founded
2000

HQ Location
Boston, MA

Company Website
https://www.rapid7.com

Twitter
@rapid7

LinkedIn® Page
https://www.linkedin.com/company/39624/

Ownership
NASDAQ:RPD

[
### Blumira Automated Detection & Response
](https://www.g2.com/products/blumira-automated-detection-response/reviews)

[By Blumira](https://www.g2.com/sellers/blumira)

[

(123)4.6 out of 5
](https://www.g2.com/products/blumira-automated-detection-response/reviews#reviews "Read Blumira Automated Detection & Response Reviews")

Product Description

Blumira is an integrated security operations platform built for growing teams and the partners supporting them to gain complete visibility into their environment, identify and address risk faster, and

**Users:** IT Manager · **Industries:** Information Technology and Services, Computer & Network Security · **Market Segment:** 50% Mid-Market, 37% Small-Business

Blumira Automated Detection & Response features and usability ratings that predict user satisfaction

6.7

Metadata Enrichment

Average: 8.5

9.5

Quality of Support

Average: 8.9

8.9

Multi-Network Monitoring

Average: 8.6

7.9

Network Visibility

Average: 8.8

LG

Setting up a free account only took a few minutes and the basic detections are selected by defualt. There wasn't much that I had to do to get up...[Read review](https://www.g2.com/products/blumira-automated-detection-response/reviews/blumira-automated-detection-response-review-10046167)

 ![Verified User in Utilities](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Utilities")
AU

Setup was simple. With the free o365 monitoring tools, we were up and running monitoring risky sign ins within minutes. Deploying agents was easy...[Read review](https://www.g2.com/products/blumira-automated-detection-response/reviews/blumira-automated-detection-response-review-10563619)

Year Founded
2018

HQ Location
Ann Arbor, Michigan

Company Website
https://www.blumira.com

Twitter
@blumira

LinkedIn® Page
https://www.linkedin.com/company/blumira/

[
### Heimdal
](https://www.g2.com/products/heimdal/reviews)

[By Heimdal®](https://www.g2.com/sellers/heimdal)

[

(70)4.4 out of 5
](https://www.g2.com/products/heimdal/reviews#reviews "Read Heimdal Reviews")

Product Description

Accommodate all your cybersecurity needs under one convenient roof with the Heimdal® Unified Cybersecurity Platform. Our cybersecurity solutions can be used as standalone products or integrated into o

**Industries:** Computer & Network Security, Construction · **Market Segment:** 61% Mid-Market, 26% Small-Business

Heimdal features and usability ratings that predict user satisfaction

0.0

No information available

9.5

Quality of Support

Average: 8.9

0.0

No information available

0.0

No information available

 ![Verified User in Design](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Design")
UD

The nice thing about Heimdal is the fact that it enables auto updating of some very basic and favorite apps. This is a really nice feature as a lot...[Read review](https://www.g2.com/products/heimdal/reviews/heimdal-review-7391095)

 ![Verified User in Primary/Secondary Education](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Primary/Secondary Education")
AP

I really appreciate the ease of use and the broad scope of applications Heimdal provides. The patch management has been a huge help, and the 24/7...[Read review](https://www.g2.com/products/heimdal/reviews/heimdal-review-12579693)

Year Founded
2014

HQ Location
Copenhagen, Denmark

Company Website
https://heimdalsecurity.com/

Twitter
@HeimdalSecurity

LinkedIn® Page
https://www.linkedin.com/company/heimdal-security/

[
### Darktrace / NETWORK
](https://www.g2.com/products/darktrace-network/reviews)

[By Darktrace](https://www.g2.com/sellers/darktrace)

[

(46)4.4 out of 5
](https://www.g2.com/products/darktrace-network/reviews#reviews "Read Darktrace / NETWORK Reviews")

Product Description

Darktrace / NETWORK™ is the industry’s most advanced Network Detection and Response (NDR) solution. It learns what normal behavior is for your entire modern network, using Self-Learning AI to detect a

**Industries:** Financial Services, Information Technology and Services · **Market Segment:** 59% Mid-Market, 33% Enterprise

Darktrace / NETWORK features and usability ratings that predict user satisfaction

9.3

Metadata Enrichment

Average: 8.5

9.2

Quality of Support

Average: 8.9

9.3

Multi-Network Monitoring

Average: 8.6

9.3

Network Visibility

Average: 8.8

 ![John S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "John S.")
JS

Darktrace has many advanced features and reporting capabilities. It captures all packets that flow on the network, and uses that data to create a...[Read review](https://www.g2.com/products/darktrace-network/reviews/darktrace-network-review-773656)

LM

Very easy to implement, despite the power and complexity of the solution once it is up and running. Outstanding user interface, it needs a bit of...[Read review](https://www.g2.com/products/darktrace-network/reviews/darktrace-network-review-9184462)

Year Founded
2013

HQ Location
Cambridgeshire, England

Company Website
https://www.darktrace.com

Twitter
@Darktrace

LinkedIn® Page
https://www.linkedin.com/company/5013440/

Ownership
LON: DARK

[
### B1 Platform by CloudCover
](https://www.g2.com/products/b1-platform-by-cloudcover/reviews)

[By CloudCover, Inc.](https://www.g2.com/sellers/cloudcover-inc)

[

(44)4.6 out of 5
](https://www.g2.com/products/b1-platform-by-cloudcover/reviews#reviews "Read B1 Platform by CloudCover Reviews")

Product Description

A network security platform, years in the making, leveraging mathematics to continuously learn, predict, and defend against attacks.

**Industries:** Information Technology and Services, Computer & Network Security · **Market Segment:** 39% Mid-Market, 39% Small-Business

B1 Platform by CloudCover features and usability ratings that predict user satisfaction

8.5

Metadata Enrichment

Average: 8.5

8.4

Quality of Support

Average: 8.9

8.3

Multi-Network Monitoring

Average: 8.6

8.3

Network Visibility

Average: 8.8

 ![Verified User in Education Management](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Education Management")
UE

I personally adore the easy layout and how user-friendly the whole platform is. It is a reliable network security system for your data as an...[Read review](https://www.g2.com/products/b1-platform-by-cloudcover/reviews/b1-platform-by-cloudcover-review-9843750)

 ![NAYAN K.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "NAYAN K.")
NK

It's reliable and the security that we need these days are getting challenging day by day. So platform like B1 assist a lot in security space.[Read review](https://www.g2.com/products/b1-platform-by-cloudcover/reviews/b1-platform-by-cloudcover-review-9914937)

Year Founded
2007

HQ Location
Minneapolis, US

Company Website
https://cloudcover.cc/

LinkedIn® Page
https://www.linkedin.com/company/1642753

[
### Progress Flowmon Platform
](https://www.g2.com/products/progress-flowmon-platform/reviews)

[By Progress Software](https://www.g2.com/sellers/progress-software)

[

(25)4.2 out of 5
](https://www.g2.com/products/progress-flowmon-platform/reviews#reviews "Read Progress Flowmon Platform Reviews")

Product Description

Flowmon is a professional NPMD tool for effective network troubleshooting, performance monitoring, capacity planning, encrypted traffic analysis and cloud monitoring. Instead of just the red/green inf

**Industries:** Information Technology and Services · **Market Segment:** 52% Mid-Market, 24% Enterprise

Progress Flowmon Platform features and usability ratings that predict user satisfaction

8.3

Metadata Enrichment

Average: 8.5

8.8

Quality of Support

Average: 8.9

7.8

Multi-Network Monitoring

Average: 8.6

7.5

Network Visibility

Average: 8.8

BT

I like Flowmon because they have the ability to control the network, which allows us to have better tools to perform a job, provides real-time...[Read review](https://www.g2.com/products/progress-flowmon-platform/reviews/progress-flowmon-platform-review-2341895)

SS

It is client friiendly and offers alot to some random organization. It is simpler to screen the system as flowmon has got incredible instruments...[Read review](https://www.g2.com/products/progress-flowmon-platform/reviews/progress-flowmon-platform-review-2633809)

Year Founded
1981

HQ Location
Burlington, MA.

Company Website
https://www.progress.com/

Twitter
@ProgressSW

LinkedIn® Page
https://www.linkedin.com/company/progress-software/

Ownership
NASDAQ:PRGS

Phone
1-888-365-2779

[
### ManageEngine ADAudit Plus
](https://www.g2.com/products/manageengine-adaudit-plus/reviews)

[By Zoho](https://www.g2.com/sellers/zoho-b00ca9d5-bca8-41b5-a8ad-275480841704)

[

(29)4.4 out of 5
](https://www.g2.com/products/manageengine-adaudit-plus/reviews#reviews "Read ManageEngine ADAudit Plus Reviews")

Product Description

ADAudit Plus is a UBA-driven auditor that helps keep your AD, Azure AD, file systems (including Windows, NetApp, EMC, Synology, Hitachi, and Huawei), Windows servers, and workstations secure and compl

**Market Segment:** 48% Enterprise, 45% Mid-Market

ManageEngine ADAudit Plus features and usability ratings that predict user satisfaction

5.8

Metadata Enrichment

Average: 8.5

7.3

Quality of Support

Average: 8.9

6.7

Multi-Network Monitoring

Average: 8.6

5.8

Network Visibility

Average: 8.8

 ![Dean S.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Dean S.")
DS

It provides a great deal of data for a very reasonable price. Works very well and gives us great insight into what changes are occurring on our...[Read review](https://www.g2.com/products/manageengine-adaudit-plus/reviews/manageengine-adaudit-plus-review-68367)

MS

The product is 100% web based. The website is fast and easy to use. Upgrades are extremely easy and straight forward. There are a lot of built in...[Read review](https://www.g2.com/products/manageengine-adaudit-plus/reviews/manageengine-adaudit-plus-review-3276032)

Year Founded
1996

HQ Location
Austin, TX

Company Website
https://www.zoho.com

Twitter
@Zoho

LinkedIn® Page
https://www.linkedin.com/company/38373/

Phone
+1 (888) 900-9646 

[
### LMNTRIX
](https://www.g2.com/products/lmntrix/reviews)

[By LMNTRIX](https://www.g2.com/sellers/lmntrix)

[

(10)4.9 out of 5
](https://www.g2.com/products/lmntrix/reviews#reviews "Read LMNTRIX Reviews")

Product Description

LMNTRIX has reimagined cybersecurity, turning the tables in favor of the defenders once again. We have cut out the bloat of SIEM, log analysis and false positives resulting in alert fatigue, and we c

**Market Segment:** 60% Mid-Market, 20% Enterprise

LMNTRIX features and usability ratings that predict user satisfaction

10.0

Metadata Enrichment

Average: 8.5

9.6

Quality of Support

Average: 8.9

10.0

Multi-Network Monitoring

Average: 8.6

10.0

Network Visibility

Average: 8.8

 ![Verified User in Utilities](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Utilities")
EU

24/7 Incident Validation and Response to reduce the noise, and 24/7 SOC services without the hefty price tag of running your own.[Read review](https://www.g2.com/products/lmntrix/reviews/lmntrix-review-4528020)

Year Founded
2015

HQ Location
Orange, California

Company Website
https://lmntrix.com

Twitter
@lmntrixlabs

LinkedIn® Page
https://www.linkedin.com/company/lmntrix

[
### Gradient Cyber
](https://www.g2.com/products/gradient-cyber/reviews)

[By Gradient Cyber](https://www.g2.com/sellers/gradient-cyber)

[

(4)4.8 out of 5
](https://www.g2.com/products/gradient-cyber/reviews#reviews "Read Gradient Cyber Reviews")

Product Description

​Gradient Cyber’s Managed Extended Detection and Response (MXDR) service offers mid-market organizations comprehensive, 24/7/365 protection across their entire IT environment, including networks, endp

**Market Segment:** 50% Small-Business, 25% Mid-Market

Gradient Cyber features and usability ratings that predict user satisfaction

0.0

No information available

10.0

Quality of Support

Average: 8.9

0.0

No information available

0.0

No information available

 ![Gabe E.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Gabe E.")
GE

Their helpfulness and professionalism. They are one of the best players in the market[Read review](https://www.g2.com/products/gradient-cyber/reviews/gradient-cyber-review-7269424)

 ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software")
CC

We have been using Gradient's CISO Advisory services in my previous company for a few months, and their services have been very valuable. Having...[Read review](https://www.g2.com/products/gradient-cyber/reviews/gradient-cyber-review-7272799)

Year Founded
2017

HQ Location
Southlake, US

Company Website
https://www.gradientcyber.com

Twitter
@GradientCyber

LinkedIn® Page
https://www.linkedin.com/company/gradientcyber/

[
### IronWifi
](https://www.g2.com/products/ironwifi/reviews)

[By IronWifi](https://www.g2.com/sellers/ironwifi)

[
0 ratings
](https://www.g2.com/products/ironwifi/reviews#reviews "Read IronWifi Reviews")

Product Description

IronWiFi is a cloud-based WiFi authentication and access management platform that eliminates the complexity of on-premises RADIUS servers. Trusted by 1,000+ organizations across 108 countries, IronWiF

IronWifi features and usability ratings that predict user satisfaction

0.0

No information available

0.0

No information available

0.0

No information available

0.0

No information available

Year Founded
2014

HQ Location
Orlando, FL

Company Website
https://www.ironwifi.com/

LinkedIn® Page
https://www.linkedin.com/company/ironwifi/

[
### Netography Fusion
](https://www.g2.com/products/netography-fusion/reviews)

[By Netography](https://www.g2.com/sellers/netography)

[
0 ratings
](https://www.g2.com/products/netography-fusion/reviews#reviews "Read Netography Fusion Reviews")

Product Description

Netography Fusion delivers a holistic view of all network activity across your multi-cloud or hybrid network, in real-time and at scale. It detects malicious and anomalous activity, such as lateral m

Netography Fusion features and usability ratings that predict user satisfaction

0.0

No information available

0.0

No information available

0.0

No information available

0.0

No information available

Year Founded
2018

HQ Location
Annapolis, US

Company Website
https://www.netography.com

LinkedIn® Page
https://www.linkedin.com/company/netography

[
### NextRay NDR
](https://www.g2.com/products/nextray-ndr/reviews)

[By NextRay AI](https://www.g2.com/sellers/nextray-ai)

[
0 ratings
](https://www.g2.com/products/nextray-ndr/reviews#reviews "Read NextRay NDR Reviews")

Product Description

NextRay AI provides a comprehensive Network Detection & Response solution (NextRay NDR) to help enterprises detect and respond to cyberattacks across cloud, PaaS, SaaS, data center, email, endpoin

NextRay NDR features and usability ratings that predict user satisfaction

0.0

No information available

0.0

No information available

0.0

No information available

0.0

No information available

HQ Location
2880 Zanker Rd, Suite 203, San Jose, CA 95134, US

Company Website
https://nextray.ai

LinkedIn® Page
http://www.linkedin.com/company/nextray-ai-detection-response-inc