What are some alternatives?
Comodo Firewall - Comodo Firewall Pro - Secure your system against internal attacks such as Trojan viruses /...
Sophos UTM - Sophos UTM integrates complete security software within a single appliance.
Cisco Meraki - Meraki provides Cisco-based, cloud-controlled Wi-Fi and routing and security products for distributed wired and wireless networks.
Zscaler Internet Access - Zscaler Internet Access offers cloud internet and web security solutions.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more
DarkTrace - Enterprise immune system technology for cyber security.