# Top Free Web Application Firewalls (WAF) ## How Many Web Application Firewalls (WAF) Products Does G2 Track? **Total Products under this Category:** 92 ### Category Stats (Jul 2026) - **Average Rating:** 4.45/5 The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** Harness Platform (+0.22%) - Among all products in this category, Harness Platform recorded the largest rating increase compared to last month _Last updated: July 21, 2026_ ## How Does G2 Rank Web Application Firewalls (WAF) Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 3,100+ Authentic Reviews - 92+ 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. [ HAProxy ](https://www.g2.com/products/haproxy/reviews) By [HAProxy](https://www.g2.com/sellers/haproxy) [ 4.7/5(903) ](https://www.g2.com/products/haproxy/reviews) What do users say? Users consistently praise the product for its reliable performance and ease of use, highlighting its ability to handle high traffic loads efficiently while providing straightforward configuration opti Pros and Cons [ Ease of Use (134) ](https://www.g2.com/products/haproxy/reviews?qs=pros-and-cons)[ Difficult Configuration (63) ](https://www.g2.com/products/haproxy/reviews?qs=pros-and-cons) [ FortiAppSec Cloud ](https://www.g2.com/products/fortiappsec-cloud/reviews) By [Fortinet](https://www.g2.com/sellers/fortinet) [ 4.4/5(31) ](https://www.g2.com/products/fortiappsec-cloud/reviews) What do users say? Users consistently praise the automated protection and AI-driven threat detection of FortiAppSec Cloud, highlighting its effectiveness in securing web applications with minimal manual intervention. Th Pros and Cons [ Security (13) ](https://www.g2.com/products/fortiappsec-cloud/reviews?qs=pros-and-cons)[ UX Improvement (9) ](https://www.g2.com/products/fortiappsec-cloud/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) [ Fastly's Web Application and API Security ](https://www.g2.com/products/fastly-s-web-application-and-api-security/reviews) By [Fastly](https://www.g2.com/sellers/fastly) [ 4.2/5(30) ](https://www.g2.com/products/fastly-s-web-application-and-api-security/reviews) What do users say? Users consistently praise the ease of setup and effective protection provided by the Fastly Next-Gen WAF, highlighting its ability to operate in blocking mode without disrupting legitimate traffic. Th Pros and Cons [ Ease of Use (5) ](https://www.g2.com/products/fastly-s-web-application-and-api-security/reviews?qs=pros-and-cons)[ Expensive (3) ](https://www.g2.com/products/fastly-s-web-application-and-api-security/reviews?qs=pros-and-cons) [ Azion ](https://www.g2.com/products/azion/reviews) By [Azion](https://www.g2.com/sellers/azion) [ 4.7/5(32) ](https://www.g2.com/products/azion/reviews) What do users say? Users consistently praise Azion for its exceptional support and robust security features, highlighting the platform's ease of use and quick response times from the support team. Many appreciate the co Pros and Cons [ Customer Support (10) ](https://www.g2.com/products/azion/reviews?qs=pros-and-cons)[ Missing Features (2) ](https://www.g2.com/products/azion/reviews?qs=pros-and-cons) [ TR7 ASP ](https://www.g2.com/products/tr7-asp/reviews) By [TR7](https://www.g2.com/sellers/tr7) [ 4.9/5(22) ](https://www.g2.com/products/tr7-asp/reviews) What do users say? Users consistently praise the product for its ease of use and responsive support, highlighting how it simplifies complex tasks like traffic management and security. The intuitive interface allows for Pros and Cons [ Customer Support (11) ](https://www.g2.com/products/tr7-asp/reviews?qs=pros-and-cons)[ Complexity (1) ](https://www.g2.com/products/tr7-asp/reviews?qs=pros-and-cons) [ Nginx ](https://www.g2.com/products/f5-nginx/reviews) By [F5](https://www.g2.com/sellers/f5-f6451ada-8c47-43f5-b017-58663a045bc5) [ 4.6/5(107) ](https://www.g2.com/products/f5-nginx/reviews) What do users say? Users consistently praise the ease of use and high performance of this software, noting its ability to handle large workloads efficiently. Many appreciate its flexible configuration options, which all Pros and Cons [ Configuration Ease (1) ](https://www.g2.com/products/f5-nginx/reviews?qs=pros-and-cons) [ Barracuda Web Application... ](https://www.g2.com/products/barracuda-web-application-firewall/reviews) By [Barracuda](https://www.g2.com/sellers/barracuda) [ 4.3/5(14) ](https://www.g2.com/products/barracuda-web-application-firewall/reviews) What do users say? Users consistently praise the ease of use and intuitive interface of the Barracuda Web Application Firewall, highlighting how it simplifies navigation and configuration. Many appreciate its robust sec Pros and Cons [ Configuration Ease (1) ](https://www.g2.com/products/barracuda-web-application-firewall/reviews?qs=pros-and-cons)[ False Positives (1) ](https://www.g2.com/products/barracuda-web-application-firewall/reviews?qs=pros-and-cons) [ AppTrana ](https://www.g2.com/products/apptrana/reviews) By [Indusface](https://www.g2.com/sellers/indusface) [ 4.8/5(35) ](https://www.g2.com/products/apptrana/reviews) What do users say? Users consistently praise the product for its comprehensive protection against various cyber threats and the responsive support team that ensures peace of mind. Many appreciate the ease of use and eff Pros and Cons [ Protection (11) ](https://www.g2.com/products/apptrana/reviews?qs=pros-and-cons)[ Difficult Reporting (2) ](https://www.g2.com/products/apptrana/reviews?qs=pros-and-cons) [ Link11 ](https://www.g2.com/products/link11/reviews) By [Link11](https://www.g2.com/sellers/link11) [ 4.7/5(44) ](https://www.g2.com/products/link11/reviews) What do users say? Users consistently praise the product for its reliable protection and excellent customer support, highlighting the ease of implementation and the effectiveness of DDoS mitigation. Many appreciate the Pros and Cons [ Customer Support (3) ](https://www.g2.com/products/link11/reviews?qs=pros-and-cons)[ Complex Rule Management (1) ](https://www.g2.com/products/link11/reviews?qs=pros-and-cons) [ Wallarm API Security Platform ](https://www.g2.com/products/wallarm-api-security-platform/reviews) By [Wallarm](https://www.g2.com/sellers/wallarm) [ 4.7/5(97) ](https://www.g2.com/products/wallarm-api-security-platform/reviews) What do users say? Users consistently praise the Wallarm API Security Platform for its real-time threat detection and user-friendly dashboard, which simplifies monitoring and management. Many appreciate the product's ab Pros and Cons [ Protection (3) ](https://www.g2.com/products/wallarm-api-security-platform/reviews?qs=pros-and-cons)[ API Issues (1) ](https://www.g2.com/products/wallarm-api-security-platform/reviews?qs=pros-and-cons) [ NetScaler ](https://www.g2.com/products/netscaler/reviews) By [Cloud Software Group](https://www.g2.com/sellers/cloud-software-group) [ 4.4/5(85) ](https://www.g2.com/products/netscaler/reviews) What do users say? Users consistently praise the ease of use and robust performance of this product, highlighting its reliability in managing application delivery and security. Many appreciate its comprehensive feature Pros and Cons [ Ease of Management (1) ](https://www.g2.com/products/netscaler/reviews?qs=pros-and-cons)[ Expensive (1) ](https://www.g2.com/products/netscaler/reviews?qs=pros-and-cons) [ Cloudbric ](https://www.g2.com/products/cloudbric/reviews) By [Cloudbric](https://www.g2.com/sellers/cloudbric) [ 4.3/5(14) ](https://www.g2.com/products/cloudbric/reviews) What do users say? Users consistently praise the product for its high-quality security and ease of use, noting that it effectively protects applications and simplifies network access management. Many appreciate the resp [ BitNinja ](https://www.g2.com/products/bitninja/reviews) By [BitNinja Ltd.](https://www.g2.com/sellers/bitninja-ltd) [ 4.6/5(25) ](https://www.g2.com/products/bitninja/reviews) What do users say? Users consistently praise the ease of use and excellent support provided by BitNinja, highlighting its straightforward installation and effective security features. Many appreciate how it significantl [ FortiWeb ](https://www.g2.com/products/fortinet-fortiweb/reviews) By [Fortinet](https://www.g2.com/sellers/fortinet) [ 4.8/5(4) ](https://www.g2.com/products/fortinet-fortiweb/reviews) Product Description FortiWeb offers the performance, manageability, and broad protection capabilities required to protect modern web applications. It comes in hardware and VM form factors, with the VM available in public Pros and Cons [ Protection (2) ](https://www.g2.com/products/fortinet-fortiweb/reviews?qs=pros-and-cons)[ Poor Customer Support (2) ](https://www.g2.com/products/fortinet-fortiweb/reviews?qs=pros-and-cons) [ Arcjet ](https://www.g2.com/products/arcjet/reviews) By [Arcjet](https://www.g2.com/sellers/arcjet) [ 5/5(2) ](https://www.g2.com/products/arcjet/reviews) Product Description Arcjet is the runtime security platform that ships with your code. Enforce budgets, stop prompt injection, detect bots, and protect personal information with security building blocks configured in jus Pros and Cons [ Bot Detection (1) ](https://www.g2.com/products/arcjet/reviews?qs=pros-and-cons)[ Expensive (2) ](https://www.g2.com/products/arcjet/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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