pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
Forcepoint Web Security - Seguridad Web De Última Generación Para La Fuerza Laboral Global Del Futuro
Palo Alto Networks WildFire - Firewall and Threat Intelligence
Barracuda CloudGen Firewall - Barracuda's cloud-ready firewalls improve site-to-site connectivity and provide enterprises with uninterrupted access to applications hosted in the cloud.
IPFire - IPFire is a server distribution with intended to use as a firewall.
Untangle Web Filter - Web Filter from Untangle allows network administrators to enact policies and strengthen security across the network.