# Top Free Vulnerability Scanner Software ## How Many Vulnerability Scanner Software Products Does G2 Track? **Total Products under this Category:** 223 ### Category Stats (Jul 2026) - **Average Rating:** 4.58/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** Finite State (+1.95%) - Among all products in this category, Finite State recorded the largest rating increase compared to last month _Last updated: July 21, 2026_ ## How Does G2 Rank Vulnerability Scanner Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 7,500+ Authentic Reviews - 223+ 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. [ Wiz ](https://www.g2.com/products/wiz-wiz/reviews) By [Wiz](https://www.g2.com/sellers/wiz-76a0133b-42e5-454e-b5da-860e503471db) [ 4.7/5(826) ](https://www.g2.com/products/wiz-wiz/reviews) What do users say? Users consistently praise Wiz for its agentless deployment and clear visibility into cloud security risks, which streamline security operations and enhance prioritization of vulnerabilities. The intui Pros and Cons [ Features (110) ](https://www.g2.com/products/wiz-wiz/reviews?qs=pros-and-cons)[ Learning Curve (34) ](https://www.g2.com/products/wiz-wiz/reviews?qs=pros-and-cons) [ Aikido Security ](https://www.g2.com/products/aikido-security/reviews) By [Aikido Security](https://www.g2.com/sellers/aikido-security) [ 4.6/5(240) ](https://www.g2.com/products/aikido-security/reviews) What do users say? Users consistently praise the ease of use and intuitive interface of Aikido Security, highlighting how it simplifies vulnerability management and integrates seamlessly into existing workflows. The pla Pros and Cons [ Ease of Use (78) ](https://www.g2.com/products/aikido-security/reviews?qs=pros-and-cons)[ Missing Features (19) ](https://www.g2.com/products/aikido-security/reviews?qs=pros-and-cons) [![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) [ Orca Security ](https://www.g2.com/products/orca-security/reviews) By [Orca Security](https://www.g2.com/sellers/orca-security) [ 4.7/5(305) ](https://www.g2.com/products/orca-security/reviews) What do users say? Users consistently praise the product for its agentless setup and clear visibility into cloud security risks, which simplifies monitoring and management across multiple environments. The platform's ab Pros and Cons [ Ease of Use (13) ](https://www.g2.com/products/orca-security/reviews?qs=pros-and-cons)[ Security Vulnerabilities (6) ](https://www.g2.com/products/orca-security/reviews?qs=pros-and-cons) [ Tenable Nessus ](https://www.g2.com/products/tenable-nessus/reviews) By [Tenable](https://www.g2.com/sellers/tenable) [ 4.5/5(304) ](https://www.g2.com/products/tenable-nessus/reviews) What do users say? Users consistently praise the ease of use and comprehensive vulnerability detection of Tenable Nessus, highlighting its intuitive interface that allows for quick adoption and effective scanning. Many Pros and Cons [ Vulnerability Identification (20) ](https://www.g2.com/products/tenable-nessus/reviews?qs=pros-and-cons)[ Slow Scanning (7) ](https://www.g2.com/products/tenable-nessus/reviews?qs=pros-and-cons) [ Astra Pentest ](https://www.g2.com/products/astra-pentest/reviews) By [ASTRA IT, Inc.](https://www.g2.com/sellers/astra-it-inc) [ 4.6/5(216) ](https://www.g2.com/products/astra-pentest/reviews) What do users say? Users consistently praise the intuitive dashboard and responsive support provided by Astra Pentest, which streamline the vulnerability management process. The platform's clear, actionable reports and Pros and Cons [ Customer Support (63) ](https://www.g2.com/products/astra-pentest/reviews?qs=pros-and-cons)[ Poor Customer Support (12) ](https://www.g2.com/products/astra-pentest/reviews?qs=pros-and-cons) [ Intruder ](https://www.g2.com/products/intruder/reviews) By [Intruder](https://www.g2.com/sellers/intruder) [ 4.8/5(209) ](https://www.g2.com/products/intruder/reviews) What do users say? Users consistently praise the product for its ease of use and intuitive interface, which allows for quick setup and efficient vulnerability management. The automated scanning feature is particularly v Pros and Cons [ Ease of Use (41) ](https://www.g2.com/products/intruder/reviews?qs=pros-and-cons)[ Expensive (9) ](https://www.g2.com/products/intruder/reviews?qs=pros-and-cons) [ SentinelOne Singularity... ](https://www.g2.com/products/sentinelone-singularity-cloud-security/reviews) By [SentinelOne](https://www.g2.com/sellers/sentinelone) [ 4.9/5(120) ](https://www.g2.com/products/sentinelone-singularity-cloud-security/reviews) What do users say? Users consistently praise the product for its ease of use and real-time visibility across cloud environments, which simplifies security management. The platform's automated threat detection and contex Pros and Cons [ Security (27) ](https://www.g2.com/products/sentinelone-singularity-cloud-security/reviews?qs=pros-and-cons)[ Complexity (5) ](https://www.g2.com/products/sentinelone-singularity-cloud-security/reviews?qs=pros-and-cons) [ SentinelOne Singularity... ](https://www.g2.com/products/sentinelone-singularity-endpoint/reviews) By [SentinelOne](https://www.g2.com/sellers/sentinelone) [ 4.7/5(206) ](https://www.g2.com/products/sentinelone-singularity-endpoint/reviews) What do users say? Users consistently praise the product for its ease of use and effective threat detection, highlighting its ability to quickly identify and respond to security threats with minimal manual intervention. Pros and Cons [ Ease of Use (61) ](https://www.g2.com/products/sentinelone-singularity-endpoint/reviews?qs=pros-and-cons)[ Update Issues (13) ](https://www.g2.com/products/sentinelone-singularity-endpoint/reviews?qs=pros-and-cons) [ Edgescan ](https://www.g2.com/products/edgescan/reviews) By [Edgescan](https://www.g2.com/sellers/edgescan) [ 4.7/5(56) ](https://www.g2.com/products/edgescan/reviews) What do users say? Users consistently praise the product for its human-validated results and ease of use, which enhance the accuracy of vulnerability management. The combination of automated scanning with expert review Pros and Cons [ Ease of Use (25) ](https://www.g2.com/products/edgescan/reviews?qs=pros-and-cons)[ Complex UI (5) ](https://www.g2.com/products/edgescan/reviews?qs=pros-and-cons) [ CyberSmart ](https://www.g2.com/products/cybersmart/reviews) By [CyberSmart](https://www.g2.com/sellers/cybersmart) [ 4.4/5(52) ](https://www.g2.com/products/cybersmart/reviews) What do users say? Users consistently praise the ease of use and intuitive interface of CyberSmart, highlighting how it simplifies the management of cybersecurity compliance and client certifications. The platform's eff Pros and Cons [ Ease of Use (34) ](https://www.g2.com/products/cybersmart/reviews?qs=pros-and-cons)[ Technical Issues (8) ](https://www.g2.com/products/cybersmart/reviews?qs=pros-and-cons) [ Bitsight ](https://www.g2.com/products/bitsight/reviews) By [Bitsight](https://www.g2.com/sellers/bitsight) [ 4.5/5(76) ](https://www.g2.com/products/bitsight/reviews) What do users say? Users consistently praise the product for its ease of use and clear security ratings, which provide valuable insights into their cybersecurity posture and that of third-party vendors. The platform's a Pros and Cons [ Security (15) ](https://www.g2.com/products/bitsight/reviews?qs=pros-and-cons)[ Missing Features (6) ](https://www.g2.com/products/bitsight/reviews?qs=pros-and-cons) [ TrendAI Vision One - Cloud Security ](https://www.g2.com/products/trendai-vision-one-cloud-security/reviews) By [TrendAI](https://www.g2.com/sellers/trendai) [ 4.5/5(187) ](https://www.g2.com/products/trendai-vision-one-cloud-security/reviews) What do users say? Users consistently praise the product for its unified security capabilities across both on-premises and cloud environments, which simplifies management and enhances visibility. The real-time threat de Pros and Cons [ Security (9) ](https://www.g2.com/products/trendai-vision-one-cloud-security/reviews?qs=pros-and-cons)[ Complexity (6) ](https://www.g2.com/products/trendai-vision-one-cloud-security/reviews?qs=pros-and-cons) [ Red Hat Ansible Automation... ](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews) By [Red Hat](https://www.g2.com/sellers/red-hat) [ 4.6/5(377) ](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews) What do users say? Users consistently praise the ease of use and agentless architecture of the Red Hat Ansible Automation Platform, highlighting its ability to simplify complex automation tasks across various environmen Pros and Cons [ Automation (46) ](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews?qs=pros-and-cons)[ Learning Curve (13) ](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews?qs=pros-and-cons) [ Indusface WAS ](https://www.g2.com/products/indusface-was/reviews) By [Indusface](https://www.g2.com/sellers/indusface) [ 4.6/5(67) ](https://www.g2.com/products/indusface-was/reviews) What do users say? Users consistently praise the product for its ease of use and comprehensive scanning capabilities, which help identify vulnerabilities effectively. The responsive support team enhances the overall exp Pros and Cons [ Vulnerability Detection (19) ](https://www.g2.com/products/indusface-was/reviews?qs=pros-and-cons)[ Expensive (2) ](https://www.g2.com/products/indusface-was/reviews?qs=pros-and-cons) [ InsightVM (Nexpose) ](https://www.g2.com/products/insightvm-nexpose/reviews) By [Rapid7](https://www.g2.com/sellers/rapid7) [ 4.4/5(78) ](https://www.g2.com/products/insightvm-nexpose/reviews) What do users say? Users consistently praise the product for its ease of use and robust reporting features, which simplify vulnerability management and enhance visibility into security risks. The intuitive interface and Pros and Cons [ Automation (4) ](https://www.g2.com/products/insightvm-nexpose/reviews?qs=pros-and-cons)[ Complexity (3) ](https://www.g2.com/products/insightvm-nexpose/reviews?qs=pros-and-cons) [![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. 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