pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
SonicWall - SonicWall security solutions protects your network, systems, users and data from cyber threats.
OPNsense - OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
MikroTik RouterOS - The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.
IPFire - IPFire is a server distribution with intended to use as a firewall.
Comodo Firewall - Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...