Graylog

Graylog is an AI-powered SIEM and log management platform built for security and IT operations teams. The platform centralizes and analyzes event data from across complex environments, enabling teams to detect threats faster, investigate smarter, and control data costs. Graylog combines scalable log management with explainable AI that summarizes dashboards, prioritizes real risks, and automates investigation workflows while keeping analysts in control. Products include Graylog Security, Enterprise, API Security, and Open (source-available), serving more than 60,000 organizations across 180 countries. Founded as an open source project by Lennart Koopmann, Graylog continues to be a leading alternative to Splunk and the ELK Stack for centralized log analytics, compliance audits, and threat hunting.