Splunk
Curated list of 3 open source alternatives to Splunk
Our top recommended open source alternative for Splunk is Graylog. Not what you're looking for? We've curated a list of 3 quality open source Splunk replacements to fit your specific needs. Notable open source options for Splunk include: Quickwit, Matano.
Splunk alternatives primarily fall under Analytics Database, Security Tools or Log Management. Explore these categories for more targeted solutions or specific Splunk features you need.
Graylog is a comprehensive log management and SIEM platform that provides detection, investigation, and response capabilities without compromise, serving as a powerful alternative to Splunk.
Key Features
- Real-time threat detection and SIEM capabilities with automated investigation workflows
- Built-in telemetry pipeline management with native data routing and selective retrieval
- Flexible deployment options: cloud, on-premises, or hybrid environments
- Cost-efficient log management without ingestion-based pricing or vendor lock-in
- UEBA anomaly detection for identifying unusual user and entity behavior
Quickwit is a cloud-native search engine designed for observability workloads, offering an open-source alternative to Datadog, Elasticsearch, and Splunk with sub-second search performance on cloud storage.
Key Features
- Sub-second search performance on cloud storage (S3, Azure Blob, GCS)
- Elasticsearch-compatible API for seamless integration with existing clients
- Native support for OpenTelemetry logs and traces, plus Jaeger compatibility
- Decoupled compute and storage architecture with stateless components
- Built-in Grafana data source for observability dashboards
Open source cloud-native security data lake built for AWS that serves as a serverless alternative to traditional SIEM solutions like Splunk.
Key Features
- Serverless security data lake that normalizes unstructured logs into structured real-time format
- Out-of-the-box integration with 50+ security log sources with extensibility for custom sources
- Detection-as-Code using Python with automatic Sigma detection import support
- Custom log transformation pipeline using VRL scripting for parsing and enrichment
- Vendor-neutral format using Apache Iceberg and ECS standards for full data ownership
