Top Free Vulnerability Scanner Software - Page 5

How Many Vulnerability Scanner Software Products Does G2 Track?

Total Products under this Category: 235

Category Stats (Sep 2026)

  • Average Rating: 4.59/5 (↑0.01 vs Aug 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Armis (+0.18%) - Among all products in this category, Armis recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank Vulnerability Scanner Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 7,900+ Authentic Reviews
  • 235+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Vulnerability Scanner Software

G2 Grid® for Vulnerability Scanner Software plotting products by satisfaction and market presence

Highlighted products: Wiz, Aikido Security, CrowdStrike Falcon Cloud Security, Tenable Nessus, Orca Security, Astra Pentest, Intruder, and Burp Suite.

Underlying data: [Grid® JSON](https://www.g2.com/categories/vulnerability-scanner/grids.json?focus%5B%5D=wiz-wiz&focus%5B%5D=aikido-security&focus%5B%5D=crowdstrike-falcon-cloud-security&focus%5B%5D=tenable-nessus&focus%5B%5D=orca-security&focus%5B%5D=astra-pentest&focus%5B%5D=intruder&focus%5B%5D=burp-suite)

Hosted Security Scanners

Cloud-native vulnerability scanning platform that eliminates the need for expensive, time-consuming infrastructure management. We provide security teams with instant deployment and effortless scalability to continuously scan external assets.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Hosted Security Scanners?

  • Automated Scans: 10.0/10 (Category avg: 9.1/10)

Who Is the Company Behind Hosted Security Scanners?

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About Hosted Security Scanners?

AI-generated summary from verified user reviews

Pros
  • Users find the automated scanning feature helpful for introducing customers to basic scanning practices effectively.

What Are Recent G2 Reviews of Hosted Security Scanners?

Mageni

Mageni is a vulnerability scanning and vulnerability management solution that empowers use to find, prioritize, remediate and manage vulnerabilities before they are exploited by hackers.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate Mageni?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.2/10)
  • Detection Rate: 10.0/10 (Category avg: 9.0/10)
  • Automated Scans: 8.3/10 (Category avg: 9.1/10)
  • Configuration Monitoring: 6.7/10 (Category avg: 8.5/10)

Who Is the Company Behind Mageni?

Who Uses This Product?

  • Company Size: 100% Large

What Do G2 Reviewers Say About Mageni?

AI-generated summary from verified user reviews

Pros
  • Users value the automated scanning feature of Mageni for effectively identifying and mitigating risks in assets.
  • Users value Mageni for its efficacious risk mitigation, effectively scanning assets and providing useful recommendations.
  • Users value the risk prioritization capabilities of Mageni, helping to effectively manage vulnerabilities and enhance security.
Cons
  • Users find Mageni expensive compared to other software, but acknowledge its superior performance and features.

What Are Recent G2 Reviews of Mageni?

Panoptic Scans - Network and Application Vulnerability Scans

Panoptic Scans is a hosted vulnerability scanning platform designed to bolster cybersecurity for businesses by offering automated, comprehensive network and application vulnerability scans. Our platform empowers users to schedule vulnerability scans - daily, weekly, monthly, or annually - to ensure compliance with stringent regulations like SOC 2, HIPAA, ISO 27001, NIST 800-53, CMMC, and GDPR. Leveraging powerful tools such as OpenVAS for network vulnerabilities, OWASP ZAP for application security, and Nmap for port scanning, Panoptic Scans identifies weaknesses like unpatched software, misconfigurations, and open ports that could be exploited by cyber threats. With features like email notifications, detailed scan reports, and a user-friendly API, it simplifies vulnerability management, making it ideal for SaaS companies, security teams, and agile development environments aiming to safeguard sensitive data and maintain robust compliance effortlessly.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Panoptic Scans - Network and Application Vulnerability Scans?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.2/10)
  • Detection Rate: 8.3/10 (Category avg: 9.0/10)
  • Automated Scans: 10.0/10 (Category avg: 9.1/10)
  • Configuration Monitoring: 6.7/10 (Category avg: 8.5/10)

Who Is the Company Behind Panoptic Scans - Network and Application Vulnerability Scans?

Who Uses This Product?

  • Company Size: 100% Medium

What Do G2 Reviewers Say About Panoptic Scans - Network and Application Vulnerability Scans?

AI-generated summary from verified user reviews

Pros
  • Users appreciate the easy automation of scans with Panoptic Scans, enabling efficient SOC2 Vulnerability scanning and reporting.
  • Users value the automation capabilities of Panoptic Scans, simplifying SOC2 vulnerability scans and enhancing dashboard creation.
  • Users appreciate the easy automation of scans with Panoptic Scans, simplifying SOC2 Vulnerability management and reporting.
  • Users value the dashboard usability of Panoptic Scans, enhancing the ease of managing vulnerability assessments effectively.
  • Users appreciate the ease of use of Panoptic Scans, enabling effortless automation and actionable insights for security assessments.

What Are Recent G2 Reviews of Panoptic Scans - Network and Application Vulnerability Scans?

Prelude Security

Prelude helps security and IT teams continuously validate that their security controls are fully deployed, optimally configured, and working as intended. Through read-only, API integrations to your existing tools like EDR, IAM, email security, MDM, vulnerability management, and others, Prelude drives visibility across controls and identifiese critical gaps and misconfigurations in your environment. With automated control assessments mapped to leading frameworks like MITRE ATT&CK and NIST, Prelude turns otherwise siloed and fragmented security data into clear visibility, actionable insights, and a measurable assurance of your security posture.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Prelude Security?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.2/10)
  • Detection Rate: 10.0/10 (Category avg: 9.0/10)
  • Automated Scans: 10.0/10 (Category avg: 9.1/10)
  • Configuration Monitoring: 10.0/10 (Category avg: 8.5/10)

Who Is the Company Behind Prelude Security?

  • Seller: Prelude Security
  • Year Founded: 2020
  • HQ Location: N/A
  • Twitter: @preludeorg
    1,550 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    29 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Prelude Security?

PT Application Inspector

PT Application Inspector™ (PT AI™) is a comprehensive source code analysis tool that offers protection for web applications of any scale. Its holistic approach combines the advantages of static, dynamic, and interactive analysis to maintain application security throughout every stage of development—from the very first line of code to the go-live.

Average Rating: 5.0/5.0

Total Reviews: 2

How Do G2 Users Rate PT Application Inspector?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.2/10)
  • Detection Rate: 10.0/10 (Category avg: 9.0/10)
  • Automated Scans: 10.0/10 (Category avg: 9.1/10)

Who Is the Company Behind PT Application Inspector?

Who Uses This Product?

  • Company Size: 67% Large, 33% Small

What Are Recent G2 Reviews of PT Application Inspector?

What Are G2 Users Discussing About PT Application Inspector?

Scanely

Scanely is a dynamic QR code platform built for businesses that use print marketing. Founded in 2026 and built on Cloudflare's global edge network, Scanely serves small businesses, restaurants, retailers, and marketing agencies worldwide. The platform lets users create dynamic QR codes that track every scan in real time — capturing city-level location, device type, browser, OS, referrer, and time of day. Unlike static QR codes, destinations can be changed anytime without reprinting. Features include an interactive scan map with city-level pins, A/B testing with weighted traffic distribution, UTM parameter auto-append, campaign tags, branded PDF and CSV report exports, custom QR styling with logos and gradients, password protection, and scheduled redirects. Scanely solves a simple problem: businesses spend money on flyers, posters, packaging, and menus but have no way to measure which materials actually drive customers. With Scanely, every printed piece becomes a trackable marketing channel with real-time analytics, so businesses can stop guessing and start optimizing their offline campaigns.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Scanely?

  • Detection Rate: 10.0/10 (Category avg: 9.0/10)
  • Automated Scans: 10.0/10 (Category avg: 9.1/10)
  • Configuration Monitoring: 10.0/10 (Category avg: 8.5/10)

Who Is the Company Behind Scanely?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Scanely?

SCANOSS

SCANOSS is the industry-leading open source software intelligence provider, offering the largest database of open source information available. SCANOSS delivers cutting-edge tools and services that help businesses and developers detect, manage, and secure their open source components. By identifying license obligations, security vulnerabilities, and other risk concerns, SCANOSS ensures that organisations can harness the power of open source safely and securely throughout the development pipeline.

Average Rating: 4.3/5.0

Total Reviews: 2

Who Is the Company Behind SCANOSS?

  • Seller: SCANOSS
  • Year Founded: 2021
  • HQ Location: Madrid, ES
  • LinkedIn® Page: www.linkedin.com
    25 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of SCANOSS?

Securitystatus

SecurityStatus.io is a domain security assessment and external attack surface monitoring platform that evaluates the internet-visible security posture of websites and domains. It is designed for security teams, IT and DevOps teams, and agencies that need an external view of domain configuration and exposure without installing agents on scanned systems. SecurityStatus.io runs 40 automated checks grouped into four categories and summarises results as a 100-point score or letter grade (A+ to F), with category-level scoring showing how each area contributes to the overall grade. The four check categories are: Encryption and SSL – certificate validity and expiry, TLS protocol and cipher configuration, certificate transparency signals, HTTPS redirect behaviour, and SSL coverage across common subdomains DNS and Email Security – domain and email controls including SPF, DKIM, DMARC, MTA-STS, TLS reporting records, BIMI, DNSSEC, and CAA records Headers and Web App – HTTP security headers and related browser-facing configuration signals Infrastructure and Intelligence – open ports, subdomain takeover indicators, CVE exposure signals, exposed secrets, and dark web exposure monitoring Scans are initiated by entering a domain name and evaluating publicly accessible information. Results are presented as category scores and issue-level findings grouped by severity, with remediation guidance provided so teams can address specific gaps and verify fixes by rescanning. The platform supports repeat scans and scan history for tracking changes over time. Additional capabilities include scheduled scans, email alerts on findings, PDF security reports, and an embeddable security status widget. Common use cases include baseline assessments during onboarding, periodic external security reviews, verification after DNS, hosting, certificate, or application changes, and producing evidence for security questionnaires and audit requests that depend on externally verifiable configuration checks.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Securitystatus?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.2/10)
  • Detection Rate: 10.0/10 (Category avg: 9.0/10)

Who Is the Company Behind Securitystatus?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Securitystatus?

Secyour App

Secyour is an online vulnerability scanner that uncovers the vulnerabilities in your website to mitigate the risks of data breaches.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Secyour App?

What Are Recent G2 Reviews of Secyour App?

What Are G2 Users Discussing About Secyour App?

Sn1per Professional

Sn1per Professional is an all-in-one offensive security platform that provides a comprehensive view of your internal and external attack surface and offers an asset risk scoring system to prioritize, reduce, and manage risk. With Sn1per Professional, you can discover the attack surface and continuously monitor it for changes. It integrates with the leading open source and commercial security testing tools for a unified view of your data.

Average Rating: 4.5/5.0

Total Reviews: 1

How Do G2 Users Rate Sn1per Professional?

  • Detection Rate: 8.3/10 (Category avg: 9.0/10)
  • Automated Scans: 10.0/10 (Category avg: 9.1/10)
  • Configuration Monitoring: 8.3/10 (Category avg: 8.5/10)

Who Is the Company Behind Sn1per Professional?

Who Uses This Product?

  • Company Size: 100% Large

What Are Recent G2 Reviews of Sn1per Professional?

XSignal.io Online Vulnerability Scanner

XSIgnal.io is a new cloud-based vulnerability scanner of the external network infrastructure perimeter that can scan any type of resources / hosts / websites/subnet in just 15 minutes

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate XSignal.io Online Vulnerability Scanner?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.2/10)
  • Detection Rate: 8.3/10 (Category avg: 9.0/10)
  • Automated Scans: 10.0/10 (Category avg: 9.1/10)
  • Configuration Monitoring: 10.0/10 (Category avg: 8.5/10)

Who Is the Company Behind XSignal.io Online Vulnerability Scanner?

  • Seller: XSIGNAL
  • Year Founded: 2020
  • HQ Location: Delaware, US
  • LinkedIn® Page: www.linkedin.com
    3 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of XSignal.io Online Vulnerability Scanner?

What Are G2 Users Discussing About XSignal.io Online Vulnerability Scanner?

CapaOne

CapaOne is a cloud-based endpoint management platform that consolidates the work IT teams normally spread across four to six separate tools. One console, one agent. Application Manager automates third-party application updates and deployment. Privilege Manager removes standing local admin rights and grants just-in-time elevation through Entra ID groups. Provision Manager handles bare-metal OS deployment and vendor-certified, model-aware driver orchestration. Security Monitor maps CVEs to the endpoints they actually affect and prioritizes by exploitability. Experience Monitor tracks device reliability. Mobile Manager covers enrollment, configuration, and app delivery across iOS, iPadOS, and Android. Built for organizations of 200 to 1,000 employees with IT teams of 5 to 20 people. Deployment takes days, not months, with no implementation consultants required. CapaOne is a complete endpoint management platform — designed to work with Microsoft Intune, or entirely without it. Developed by CapaSystems A/S, a Danish software company founded in 1996 with more than 30 years in endpoint management. Danish-built and EU-hosted, with no transfer of endpoint data to US jurisdiction. GDPR-first, NIS2-aligned posture.

Who Is the Company Behind CapaOne?

  • Seller: CapaSystems AS
  • Year Founded: 1996
  • HQ Location: Taastrup, DK
  • LinkedIn® Page: www.linkedin.com
    32 employees on LinkedIn®
  • Ownership: Private
  • Phone: +4570107055

CVE Scan

CVE Scan is a vulnerability monitoring and remediation tool for embedded Linux and Zephyr systems. It helps device manufacturers detect and monitor CVEs to ensure cybersecurity compliance (Cyber Resilience Act) thanks to advanced filtering techniques to reduce false positives and visual dashboards.

Who Is the Company Behind CVE Scan?

EdgeWatch Attack Surface Management Platform

Edgewatch is an Attack Surface Management Platform that assists companies in discovering, monitoring, and analyzing devices accessible from the Internet. Edgewatch continuously scans public IP addresses to reveal a digital footprint, offering an external perspective of the online infrastructure.

Who Is the Company Behind EdgeWatch Attack Surface Management Platform?

Enclave

Enclave is a modern network segmentation platform that combines – access control, asset inventory, encryption and zero trust network access – to create a breakthrough microsegmentation solution that prioritizes both IT and cybersecurity’s highest level needs. Enclave is purpose-built to simultaneously secure and segment your networks. Limit the damage a bad actor can do by decreasing the digital square footage they can explore. Easily implement access controls for employees, support staff, and third party vendors while never disrupting current operations.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate Enclave?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.2/10)

Who Is the Company Behind Enclave?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of Enclave?

Lauren Worth
LW
Researched and written by Lauren Worth
Updated April 10, 2026