Graylog
Free and open log management with SIEM and API security
Founded
2009
Starting Price
$0
Category
Monitoring & Observability
Last updated April 27, 2026
About Graylog
Graylog is a centralized log management and SIEM platform that enables organizations to collect, index, and analyze log data from diverse sources. It offers powerful search capabilities, customizable dashboards, alerting, and AI-driven anomaly detection across on-premise, cloud, and hybrid deployments.
Pros & Cons
Pros
- Powerful and flexible log search with detailed full-text query capabilities
- Free open-source edition with solid core functionality for smaller deployments
- Very low cost of ownership compared to competitors like Splunk
- Highly customizable with processing pipelines and extensible architecture
- Strong community support and active open-source development since 2009
Key Features
Centralized Log Management
Ingest and centralize logs from syslog, Windows events, Kubernetes, cloud services, and more into a single searchable platform
Advanced Search & Analysis
Perform detailed full-text searches across all log messages with powerful query syntax and real-time results
Custom Dashboards
Build interactive dashboards with widgets to visualize log data, trends, and key metrics at a glance
Alerting & Notifications
Set up custom alerts for security events, compliance violations, or operational anomalies with integrations to Slack, OpsGenie, and more
AI Anomaly Detection
Leverage built-in AI features for anomaly detection, risk scoring, investigation summaries, and guided search
SIEM Capabilities
Full security information and event management with compliance packs, risk modeling, and threat detection
API Security
Detect and protect against API threats with dedicated API security monitoring and risk detection
Pricing
Open (Free)
$0
- Log ingestion & search
- Dashboards & alerts
- Community support
- Open-source deployment
Operations
$1,250/month
Best For
Security Operations & SIEM
Monitor security events, detect threats, and maintain compliance with centralized log analysis and AI-driven anomaly detection
IT Infrastructure Monitoring
Aggregate logs from servers, applications, and network devices to troubleshoot issues and maintain system reliability
DevOps & Application Debugging
Centralize application logs from containerized and cloud-native environments to accelerate debugging and incident response
Compliance & Audit Trail
Maintain comprehensive audit trails and generate compliance reports with long-term log archival and retrieval
