pfSense is described as 'Free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more' and is a very popular Firewall in the security & privacy category. There are more than 25 alternatives to pfSense for a variety of platforms, including Linux, Self-Hosted, Web-based, Raspberry Pi and Docker apps. The best pfSense alternative is OPNsense, which is both free and Open Source. Other great apps like pfSense are IPFire, MikroTik RouterOS, ClearOS and Sophos UTM.
OPNsense includes most of the features available in expensive commercial firewalls, and more in many cases. It brings the rich feature set of commercial offerings with the benefits of open and verifiable sources.
Netherlands
EU
Linux-based system converts standard PCs into customizable routers, featuring advanced firewall, VPN server and client, bandwidth control, QoS, wireless AP, captive portal, remote management, industry protocol support, automation, and scalable licensing for network needs.
LatviaEU
ClearOS is a family of operating systems for the enterprise, small business, and home. There are three editions to choose from depending on your needs and suitable to your abilities. They are: ClearOS Enterprise, ClearOS Home, and ClearOS Core.
United States
Sophos UTM integrates complete security software within a single appliance. Choose only the protection you need when you need it. And deploy it on the platform that best fits your business: software, hardware or virtual appliance.
United Kingdom
Endian Firewall Community (EFW) is a "turn-key" linux security distribution that turns every system into a full featured security appliance with Unified Threat Management (UTM) functionality. The software has been designed with "usability in mind" and is very...
ItalyEU
DynFi® Firewall is the first French Open Source firewall. The system integrates many filtering features and allows for the first time to manage a large number of your appliances. Available for free, DynFi Firewall has two images (with VGA or Serial return) compatible with...
FranceEU
Vilfo OS is an easy and powerful software enabling multiple simultaneous connections to VPN servers. It contains firewall, split tunneling, DNS leak protection, VPN killswitch, notifications and much more.
SwedenEU
VyOS is a community fork of Vyatta , a Linux-based network operating system that provides software-based network routing, firewall, and VPN functionality.
United States
A modern replacement for Sophos UTM based on Sophos, Cyberoam and Astaro technology combined.
United Kingdom
The SmoothWall Open Source Project was set up to develop and maintain SmoothWall Express - a Free firewall that includes its own security-hardened GNU/Linux operating system and an easy-to-use web interface.
United Kingdom
A secure, open-source WiFi router that simplifies network management with easy-to-use policies, device isolation, adblock and advanced DNS controls - customizable with plugins for added flexibility.
United States
