elastic

Icinga/icinga2

+3

The core of our monitoring platform with a powerful configuration language and REST API.

syslog-ng

+3

syslog-ng is an enhanced log daemon, supporting a wide range of input and output methods: syslog, unstructured text, queueing, SQL & NoSQL.

RedELK

+1

Red Team's SIEM - tool for Red Teams used for tracking and alarming about Blue Team activities as well as better usability in long term operations.