IPFire
IPFire is a server distribution with intended to use as a firewall.
IPFire is a hardened, versatile, state-of-the-art Open Source firewall based on Linux. Its ease of use, high performance in any scenario and extensibility make it usable for everyone.
20 Alternatives To IPFire
ClearOS
A very good alternative for Windows Server, for free
Juniper Contrail
Automate & orchestrate highly scalable virtual networks with Contrail Networking, based on the open-source network virtualization project, OpenContrail.
NethServer
NethServer is an operating system for Linux enthusiasts, designed for small offices and medium…
Sophos UTM
Sophos UTM integrates complete security software within a single appliance.
VyOS
VyOS 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.
Zentyal
Linux directory, domain, mail, gateway and infrastructure server for SMBs.
ZeroShell
Zeroshell is a Linux distribution for servers and embedded devices aimed at providing the main…
pfSense
pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more