Elasticsearch is the leading distributed, RESTful, open source search and analytics engine designed for speed, horizontal scalability, reliability, and easy management.

Download Elasticsearch or the complete Elastic Stack (formerly ELK stack) for free and start searching and analyzing in minutes with Elastic.

Effortless Elasticsearch management — AutoOps is here, and it's free for Elastic Cloud customers. Read the blog

Elasticsearch is the most powerful free and open search engine available. Explore an extensive list of its robust features that show why. Features like full-text search, advanced analytics, geospatial...

Solutions and use cases Elasticsearch Build powerful search and RAG applications using Elasticsearch's vector database, AI toolkit, and advanced retrieval capabilities.

Elasticsearch powers observability solutions with scalable data ingestion, fast search, and advanced analytics — helping teams detect issues, troubleshoot performance, and optimize system health …

Manage data: Learn how to ingest and manage data stored in Elasticsearch. How to use the documentation: Understand how our documentation is organized, find the right version information …

Elasticsearch: The open source platform for high-performance search, context engineering, and AI Store structured, unstructured, and vector data. Build AI applications and agents with relevance, real-time …

In production, we recommend you run Elasticsearch on a dedicated host or as a primary service. Several Elasticsearch features, such as automatic JVM heap sizing, assume that Elasticsearch is the …

Download Elasticsearch to get started with search, observability, and security for free. Deploy on Elastic Cloud (hosted or serverless), run it yourself on-premises, or use our official Kubernetes operator.