pfSense
pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more.
Some of the top features or benefits of pfSense are: Open Source, Comprehensive Feature Set, Customizability, Excellent Documentation, Enterprise Level Security, and Scalability. You can visit the info page to learn more.
- Open Source
Best pfSense Alternatives & Competitors in 2025
The best pfSense alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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/opnsense-alternativesOPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
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/mikrotik-routeros-alternativesThe main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.
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Try for freeElegant user management, tailor-made for B2B SaaS
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/openwrt-alternativesOpenWrt is an open-source firmware based on Linux for wireless routers
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/sonicwall-alternativesSonicWall security solutions protects your network, systems, users and data from cyber threats.
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/comodo-firewall-alternativesComodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...
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/sqreen-alternativesSqreen is a web application security monitoring and protection solution helping companies protect their apps and users from attacks. Get started in minutes.
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/untangle-ng-firewall-alternativesUntangle NG Firewall filters traffic based on IP address, protocol and port, which enables administrators to designate which systems and services (HTTP, FTP, etc.) are publicly available.
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/vyos-alternativesVyOS in an open source Linux-based operating system sold and distributed by Sentrium corporations. It is geared toward IT specialists and network administrators for the purpose of securing network and company data... read more.
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/windows-firewall-control-alternativesWindows Firewall Control is not the built in firewall system in the Windows operating systems.
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/tinywall-alternativesLightweight and non-intrusive firewall
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/glasswire-alternativesVisualize network activity in detail, get notified when new apps access the network, look out for...
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/ipfire-alternativesIPFire is a server distribution with intended to use as a firewall.
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/emsisoft-online-armor-firewall-alternativesEmsisoft Online Armor Firewall is a freemium online firewall protection system by the Emsisoft that is based on the own independent protection technology of the Emsisoft.
pfSense discussion
