Open Source Alternatives to Splunk
A monitoring and observability platform that aggregates machine data at petabyte scale, providing security analytics, performance insights, and AI-driven incident response for enterprise environments.
Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Splunk give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 7 open source alternatives to Splunk. The most popular are Grafana, GoAccess and OpenObserve. Most use the AGPL-3.0 or Apache-2.0 license, and 7 offer an official Docker image.
Grafana
An observability platform for querying, visualizing, and alerting on metrics stored across multiple different data sources.
GoAccess
Analyze web server logs in real time through a terminal interface or a live HTML dashboard.
OpenObserve
Manage logs, metrics, and traces within a single observability platform using SQL and PromQL queries.
OpenSearch
A community driven search and analytics suite for ingesting, searching, visualizing, and analyzing unstructured data at scale.
Quickwit
A search engine for observability that provides full text search and aggregations on cloud storage.
HyperDX
An observability platform that unifies logs, traces, metrics, and session replays on top of ClickHouse clusters.
Tirreno
A security framework for detecting threats, fraud, and abuse through event ingestion and risk scoring.
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