Better Stack (Log Management)
Cloud-based log management solution for aggregating, searching, and analyzing application logs at scale
Open-Source Projects
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Discover top open-source software, updated regularly with real-world adoption signals.
Free and open log management platform for centralized logging
Graylog is a free and open log management platform that centralizes, analyzes, and visualizes log data from distributed systems and applications.
Graylog is a free and open log management platform designed for teams that need to collect, index, and analyze log data from distributed systems at scale. Built primarily in Java with a modern TypeScript frontend, it provides a unified interface for monitoring application behavior, troubleshooting issues, and maintaining security posture across your infrastructure.
The platform supports multiple ingestion protocols including GELF, Syslog, AMQP, and Kafka, making it adaptable to diverse logging architectures. Graylog's search and filtering capabilities enable rapid investigation of incidents, while its visualization tools help teams identify patterns and anomalies in log streams. Security-focused features position it as a viable SIEM alternative for organizations prioritizing threat detection and compliance.
Graylog serves operations teams, DevOps engineers, and security analysts who require robust log aggregation without vendor lock-in. The active community provides support through IRC channels on Freenode and Libera, plus discussion forums for troubleshooting and feature requests. Whether you're managing microservices, monitoring application performance, or conducting security audits, Graylog delivers the visibility needed to maintain reliable, secure systems.
When teams consider Graylog, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Microservices Troubleshooting
Aggregate logs from distributed services into a single searchable interface, reducing mean time to resolution for production incidents.
Security Event Monitoring
Collect authentication logs, firewall events, and application security data to detect threats and support compliance reporting.
Application Performance Analysis
Correlate application logs with infrastructure metrics to identify performance bottlenecks and optimize resource allocation.
Compliance Audit Trail
Maintain centralized, searchable records of system access and changes to satisfy regulatory requirements and audit requests.
Graylog supports GELF, Syslog, AMQP, and Kafka ingestion protocols, allowing it to collect logs from a wide range of systems and applications.
Yes, Graylog includes security-focused features that make it suitable for SIEM use cases, including threat detection and security event analysis.
Graylog requires a Java runtime environment and typically runs alongside Elasticsearch or OpenSearch for log storage and MongoDB for metadata.
Yes, Graylog can scale to handle high log volumes, though proper infrastructure sizing and tuning are necessary for optimal performance.
Community support is available through IRC channels on Freenode and Libera, plus community discussion forums. Commercial support options may also be available.
Project at a glance
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