# Top Free Unified Threat Management Software ## How Many Unified Threat Management Software Products Does G2 Track? **Total Products under this Category:** 31 ### Category Stats (Jul 2026) - **Average Rating:** 4.38/5 The average rating of products in this category, based on all submitted ratings _Last updated: July 14, 2026_ ## How Does G2 Rank Unified Threat Management Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 2,200+ Authentic Reviews - 31+ 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. [ Check Point Next Generation... ](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews) By [Check Point Software Technologies](https://www.g2.com/sellers/check-point-software-technologies) [ 4.5/5(591) ](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews) What do users say? Users consistently praise the strong threat prevention and centralized management capabilities of Check Point Next Generation Firewalls (NGFWs), highlighting their effectiveness in blocking advanced c Pros and Cons [ Cybersecurity (101) ](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews?qs=pros-and-cons)[ Expensive (71) ](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews?qs=pros-and-cons) [ FortiGate-VM NGFW ](https://www.g2.com/products/fortigate-vm-ngfw/reviews) By [Fortinet](https://www.g2.com/sellers/fortinet) [ 4.6/5(238) ](https://www.g2.com/products/fortigate-vm-ngfw/reviews) What do users say? Users consistently praise the user-friendly interface and robust security features of FortiGate-VM NGFW, highlighting its effectiveness in managing network security across virtual environments. The pr Pros and Cons [ Ease of Use (12) ](https://www.g2.com/products/fortigate-vm-ngfw/reviews?qs=pros-and-cons)[ Difficult Learning Curve (4) ](https://www.g2.com/products/fortigate-vm-ngfw/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) [ Heimdal ](https://www.g2.com/products/heimdal/reviews) By [Heimdal®](https://www.g2.com/sellers/heimdal) [ 4.4/5(75) ](https://www.g2.com/products/heimdal/reviews) What do users say? Users consistently praise the product for its quick and efficient support, which enhances their overall experience. The platform is valued for its reliable security performance and ease of use, making Pros and Cons [ Ease of Use (6) ](https://www.g2.com/products/heimdal/reviews?qs=pros-and-cons)[ Access Issues (2) ](https://www.g2.com/products/heimdal/reviews?qs=pros-and-cons) [ threatER ](https://www.g2.com/products/threater/reviews) By [threatER](https://www.g2.com/sellers/threater) [ 4.8/5(37) ](https://www.g2.com/products/threater/reviews) What do users say? Users consistently praise the product for its ease of use and effective protection against cyber threats, highlighting its intuitive interface and straightforward setup process. Many appreciate the ha Pros and Cons [ Ease of Use (7) ](https://www.g2.com/products/threater/reviews?qs=pros-and-cons)[ Performance Issues (3) ](https://www.g2.com/products/threater/reviews?qs=pros-and-cons) [ 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 [ UTM.io ](https://www.g2.com/products/utm-io/reviews) By [UTM.io](https://www.g2.com/sellers/utm-io) [ 4.8/5(12) ](https://www.g2.com/products/utm-io/reviews) What do users say? Users consistently praise the user-friendly interface and ease of use of this tool, highlighting how it simplifies UTM tracking and campaign management. Many appreciate the intuitive design that allow [ OpenCTI by Filigran ](https://www.g2.com/products/opencti-by-filigran/reviews) By [Filigran](https://www.g2.com/sellers/filigran) [ 4.6/5(43) ](https://www.g2.com/products/opencti-by-filigran/reviews) What do users say? Users consistently praise the platform for its powerful integration capabilities and responsive customer support, which enhance their threat intelligence processes. The open-source nature allows for e Pros and Cons [ Ease of Use (18) ](https://www.g2.com/products/opencti-by-filigran/reviews?qs=pros-and-cons)[ Feature Limitations (6) ](https://www.g2.com/products/opencti-by-filigran/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) Spotlight Categories [Influencer Marketing Platforms](https://www.g2.com/categories/influencer-marketing-platforms) [Analytics Platforms](https://www.g2.com/categories/analytics-platforms) [Retail POS Systems](https://www.g2.com/categories/retail-pos) [Operational Risk Management Software](https://www.g2.com/categories/operational-risk-management) [Workforce Management Software](https://www.g2.com/categories/workforce-management) Similar Categories - [Business VPN](/categories/business-vpn) - [DNS Security Solutions](/categories/dns-security-solutions) - [Firewall Software](/categories/firewall-software) - [Intrusion Detection and Prevention Systems (IDPS)](/categories/intrusion-detection-and-prevention-systems-idps) - [Microsegmentation](/categories/microsegmentation) - [Network Access Control (NAC)](/categories/network-access-control-nac) - [Network Detection and Response (NDR)](/categories/network-detection-and-response-ndr) - [Network Sandboxing](/categories/network-sandboxing) - [Network Security Policy Management (NSPM)](/categories/network-security-policy-management-nspm) - [Network Traffic Analysis (NTA)](/categories/network-traffic-analysis-nta) - [Software-Defined Perimeter (SDP)](/categories/software-defined-perimeter-sdp) [Browse Unified Threat Management (UTM) Themes](/categories/unified-threat-management-utm/themes)