logstash - logstash is a tool for managing events and logs.
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.
rsyslog - Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log...
Tenable-ot - Tenable-ot provides comprehensive OT security so that you can protect your IoT network against risks.
Graylog - Graylog is an open source log management platform for collecting, indexing, and analyzing both structured and unstructured data.
ARMIS OT Security - ARMIS is a security platform that offers ICS & OT cybersecurity to help you defend your network against threats and increase uptime.