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Top Free Alternatives to Elasticsearch

Stop paying expensive subscriptions for Search tools. Discover the best free and open-source replacements for Elasticsearch.

Why switch from Elasticsearch?

Elasticsearch modified its licensing model from open-source to proprietary, triggering high license costs. Open-source distributed search engines let you index logs and execute fast queries without licensing fees.

OpenSearch

Free / Open Source
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Flexible, scalable, and open-source search and analytics suite. Forked from Elasticsearch.

Key Features

  • Distributed search engine
  • Log analytics dashboard (OpenSearch Dashboards)
  • Security plugin with SSO
  • Machine learning connections

Pros

  • + 100% compatible with existing Elasticsearch APIs
  • + Completely open-source Apache 2.0 license
  • + Supported by AWS and other tech giants

Cons

  • - Requires significant server RAM and storage
  • - Setup can be intimidating for single-host projects