Check Point Claroty - Check Point and Claroty enhances the existing Check Point security suite with two significant upgrades named OT monitoring and ICS intrusion detection to help you defend against threats.
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.
Tenable-ot - Tenable-ot provides comprehensive OT security so that you can protect your IoT network against risks.
OPNsense - OPNsense® you next open source firewall. Free Download. High-end Security Made Easy™. Offers Intrusion Prevention, Captive Portal, Traffic Shaping and more.
ARMIS OT Security - ARMIS is a security platform that offers ICS & OT cybersecurity to help you defend your network against threats and increase uptime.
pfSense - pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more