# Top 10 AtomOS Alternatives & Competitors Thousands of users compare AtomOS with other Firewall Software tools to find the best fit for their team or business. Firewall Software is used by teams seeking secure, popular platforms with features like policy management, ai text summarization, and virtual private network (vpn), according to G2 reviews. In most cases, users compare alternatives based on reliability and ease of use. The best overall alternative to AtomOS is [Sophos Firewall](https://www.g2.com/products/sophos-firewall/reviews), rated ~4.7 stars on G2 from 817+ reviewers. It is frequently praised for firewall efficiency and customer support. Other well-known alternatives to AtomOS are: - [Check Point Next Generation Firewalls (NGFWs)](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews) – known for cybersecurity and threat detection (G2 star rating ~4.5) - [ThreatLocker Zero Trust Platform](https://www.g2.com/products/threatlocker-zero-trust-platform/reviews) – highly rated for customer support and threat detection (G2 star rating ~4.8) - [Netgate pfSense](https://www.g2.com/products/netgate-pfsense/reviews) – offers customizability and easy setup (G2 star rating ~4.7) - [Check Point Cloud Firewall (formerly CloudGuard Network Security)](https://www.g2.com/products/check-point-cloud-firewall-formerly-cloudguard-network-security/reviews) – best suited for teams that need security and threat detection (G2 star rating ~4.4) Browse top options below. Based on G2 review data, AtomOS is most commonly used in industries like [Firewall Software](https://www.g2.com/categories/firewall-software), [Zero Trust Platforms](https://www.g2.com/categories/zero-trust-platforms), [Secure Web Gateway Software](https://www.g2.com/categories/secure-web-gateways). Compare user ratings by vertical to find the best fit. ## Best Paid & Free Alternatives to AtomOS - Sophos Firewall - Check Point Next Generation Firewalls (NGFWs) - ThreatLocker Zero Trust Platform - Netgate pfSense - Check Point Cloud Firewall (formerly CloudGuard Network Security) - Zscaler Internet Access - WatchGuard Network Security - FortiGate-VM NGFW ## Top 10 Alternatives to AtomOS Recently Reviewed By G2 Community Browse options below. Based on reviewer data, you can see how AtomOS stacks up to the competition and find the best product for your business. [![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) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/dae0031c2ae3821616be108bd707a35f/sophos-firewall.png "Product Avatar Image") ](https://www.g2.com/products/sophos-firewall/reviews) [ Sophos Firewall ](https://www.g2.com/products/sophos-firewall/reviews) By [Sophos](https://www.g2.com/sellers/sophos) [ 4.7/5(869) ](https://www.g2.com/products/sophos-firewall/reviews#reviews) Product Description Ultimate enterprise firewall performance, security, and control. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/8dedb235969bcb553f9e412b16e93d0a/check-point-next-generation-firewalls-ngfws.png "Product Avatar Image") ](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews) [ Check Point Next Generation Firewalls (NGFWs) ](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(595) ](https://www.g2.com/products/check-point-next-generation-firewalls-ngfws/reviews#reviews) Product Description Check Point Firewall. The Check Point Firewall Software Blade incorporates all of the power and capability of the revolutionary FireWall-1 solution while adding user identity awareness to provide granular event awareness and policy enforcement. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/16429689ef6ba607e8f10dda46efd6c1/threatlocker-zero-trust-platform.png "Product Avatar Image") ](https://www.g2.com/products/threatlocker-zero-trust-platform/reviews) [ ThreatLocker Zero Trust Platform ](https://www.g2.com/products/threatlocker-zero-trust-platform/reviews) By [Threatlocker Inc](https://www.g2.com/sellers/threatlocker-inc) [ 4.8/5(514) ](https://www.g2.com/products/threatlocker-zero-trust-platform/reviews#reviews) Product Description Get unprecedented visibility and control of your cybersecurity, quickly, easily, and cost-effectively. Schedule a free product demonstration and ThreatLocker will show you how. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) [![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) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/78b1b52c363e5cd2e421b6545c0c15da/netgate-pfsense.jpg "Product Avatar Image") ](https://www.g2.com/products/netgate-pfsense/reviews) [ Netgate pfSense ](https://www.g2.com/products/netgate-pfsense/reviews) By [Netgate](https://www.g2.com/sellers/netgate) [ 4.7/5(326) ](https://www.g2.com/products/netgate-pfsense/reviews#reviews) Product Description The Netgate pfSense project is a powerful open source firewall and routing platform based on @FreeBSD. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/77497338577f7495ee27b5f5c164b5ac/check-point-cloud-firewall-formerly-cloudguard-network-security.png "Product Avatar Image") ](https://www.g2.com/products/check-point-cloud-firewall-formerly-cloudguard-network-security/reviews) [ Check Point Cloud Firewall (formerly CloudGuard Network Security) ](https://www.g2.com/products/check-point-cloud-firewall-formerly-cloudguard-network-security/reviews) By [Check Point Software Technologies](https://www.g2.com/sellers/check-point-software-technologies) [ 4.4/5(294) ](https://www.g2.com/products/check-point-cloud-firewall-formerly-cloudguard-network-security/reviews#reviews) Product Description Check Point CloudGuard Network Security for private and public cloud platforms is designed to protect assets in the cloud against the most sophisticated threats. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/abe41444dc81e2b5c176f734da86a102/zscaler-internet-access.png "Product Avatar Image") ](https://www.g2.com/products/zscaler-internet-access/reviews) [ Zscaler Internet Access ](https://www.g2.com/products/zscaler-internet-access/reviews) By [Zscaler](https://www.g2.com/sellers/zscaler) [ 4.4/5(289) ](https://www.g2.com/products/zscaler-internet-access/reviews#reviews) Product Description Zscaler Internet Access delivers the complete security stack as a service from the cloud. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/fabd23a5e8170805c2f0990daf382d0a/watchguard-network-security.png "Product Avatar Image") ](https://www.g2.com/products/watchguard-network-security/reviews) [ WatchGuard Network Security ](https://www.g2.com/products/watchguard-network-security/reviews) By [WatchGuard](https://www.g2.com/sellers/watchguard) [ 4.7/5(268) ](https://www.g2.com/products/watchguard-network-security/reviews#reviews) Product Description WatchGuard has deployed nearly a million integrated, multi-function threat management appliances worldwide. Our signature red boxes are architected to be the industry's smartest, fastest, and meanest security devices with every scanning engine running at full throttle. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/9a05b2e8752221bee881a302a02b612a/fortigate-vm-ngfw.jpg "Product Avatar Image") ](https://www.g2.com/products/fortigate-vm-ngfw/reviews) [ FortiGate-VM NGFW ](https://www.g2.com/products/fortigate-vm-ngfw/reviews) By [Fortinet](https://www.g2.com/sellers/fortinet) [ 4.6/5(249) ](https://www.g2.com/products/fortigate-vm-ngfw/reviews#reviews) Product Description FortiGate offers a network security platform, designed to deliver threat protection and performance with reduced complexity. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/8b3109519c061f3739371275d691098a/palo-alto-networks-next-generation-firewalls.png "Product Avatar Image") ](https://www.g2.com/products/palo-alto-networks-next-generation-firewalls/reviews) [ Palo Alto Networks Next-Generation Firewalls ](https://www.g2.com/products/palo-alto-networks-next-generation-firewalls/reviews) By [Palo Alto Networks](https://www.g2.com/sellers/palo-alto-networks) [ 4.5/5(170) ](https://www.g2.com/products/palo-alto-networks-next-generation-firewalls/reviews#reviews) Product Description Our next-generation firewall classifies all traffic, including encrypted traffic, based on application, application function, user and content. You can create comprehensive, precise security policies, resulting in safe enablement of applications. This lets only authorized users run sanctioned applications, greatly reducing the surface area of cyber attacks across the organization. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) [ ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/a91c790d4dcb23f5394f7d7ba650ea65/sonicwall-next-generation-firewall.png "Product Avatar Image") ](https://www.g2.com/products/sonicwall-next-generation-firewall/reviews) [ SonicWall Next Generation Firewall ](https://www.g2.com/products/sonicwall-next-generation-firewall/reviews) By [SonicWall](https://www.g2.com/sellers/sonicwall) [ 4.1/5(154) ](https://www.g2.com/products/sonicwall-next-generation-firewall/reviews#reviews) Product Description SonicWall real-time breach detection and prevention solutions protect more than one million networks worldwide. Categories in common with AtomOS: [ Firewall Software ](/categories/firewall-software) ### Explore Articles [ What enterprise load balancing platforms have the best support for zero-downtime deployments so engineering teams can push updates without customer-facing interruptions? ](https://www.g2.com/discussions/what-enterprise-load-balancing-platforms-have-the-best-support-for-zero-downtime-deployments-so-engineering-teams-can-push-updates-without-customer-facing-interruptions) [ Which PSA platforms give you the best view of project profitability and how efficiently your team is using its time? ](https://www.g2.com/discussions/which-psa-platforms-give-you-the-best-view-of-project-profitability-and-how-efficiently-your-team-is-using-its-time) [ Which solution supports large-scale webinars and virtual events? ](https://www.g2.com/discussions/which-solution-supports-large-scale-webinars-and-virtual-events) [ Best chatbot builder for software companies ](https://www.g2.com/discussions/best-chatbot-builder-for-software-companies) [ What cloud migration assessment solutions generate clear 7R prioritization and migration roadmaps without requiring extensive technical documentation? ](https://www.g2.com/discussions/what-cloud-migration-assessment-solutions-generate-clear-7r-prioritization-and-migration-roadmaps-without-requiring-extensive-technical-documentation) [ What's the best presales management platform when comparing by proposal automation and deal velocity? ](https://www.g2.com/discussions/what-s-the-best-presales-management-platform-when-comparing-by-proposal-automation-and-deal-velocity) ### Spotlight Categories [ Product Information Management (PIM) Systems ](https://www.g2.com/categories/product-information-management-pim) [ Core HR Software ](https://www.g2.com/categories/core-hr) [ Applicant Tracking Systems (ATS) ](https://www.g2.com/categories/applicant-tracking-systems-ats)