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.
Cyberoam - Firewall
Comodo Firewall - Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...
Meraki MX Firewalls - Cloud managed networking from Cisco Meraki. The easiest and most IT-friendly solution for enterprise networking needs.
Emsisoft Online Armor Firewall - Emsisoft 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.