opensearch-project/OpenSearch

πŸ”Ž Open source distributed and RESTful search engine.

13,699

stars

56,607

commits

Java

primary language

Sep 10, 2026

updated

opensearch.org/docs/latest/opensearch/index/
analytics
apache2
foss
java
search
search-engine
Browse cluster: Search engines and information retrieval β†’

README

License LFX Health Score LFX Active Contributors OpenSSF Best Practices Code Coverage GitHub release (latest SemVer) Linkedin

Welcome!

OpenSearch is an open-source, enterprise-grade search and observability suite that brings order to unstructured data at scale.

Project Resources

Code of Conduct

The project's Code of Conduct outlines our expectations for all participants in our community, based on the OpenSearch Code of Conduct. Please contact conduct@opensearch.foundation with any additional questions or comments.

Security

If you discover a potential security issue in this project we ask that you notify OpenSearch Security directly via email to security@opensearch.org. Please do not create a public GitHub issue.

License

This project is licensed under the Apache v2.0 License.

Copyright OpenSearch Contributors. See NOTICE for details.

Trademark

OpenSearch is a registered trademark of LF Projects, LLC.

OpenSearch includes certain Apache-licensed Elasticsearch code from Elasticsearch B.V. and other source code. Elasticsearch B.V. is not the source of that other source code. ELASTICSEARCH is a registered trademark of Elasticsearch B.V.

Contributors

(top 30 of 347)

kimchy

4,781 commits

s1monw

3,181 commits

jasontedor

2,809 commits

martijnvg

2,715 commits

opensearch-project/OpenSearch

πŸ”Ž Open source distributed and RESTful search engine.

13,699

stars

56,607

commits

Java

primary language

Sep 10, 2026

updated

opensearch.org/docs/latest/opensearch/index/
analytics
apache2
foss
java
search
search-engine
Browse cluster: Search engines and information retrieval β†’

README

License LFX Health Score LFX Active Contributors OpenSSF Best Practices Code Coverage GitHub release (latest SemVer) Linkedin

Welcome!

OpenSearch is an open-source, enterprise-grade search and observability suite that brings order to unstructured data at scale.

Project Resources

Code of Conduct

The project's Code of Conduct outlines our expectations for all participants in our community, based on the OpenSearch Code of Conduct. Please contact conduct@opensearch.foundation with any additional questions or comments.

Security

If you discover a potential security issue in this project we ask that you notify OpenSearch Security directly via email to security@opensearch.org. Please do not create a public GitHub issue.

License

This project is licensed under the Apache v2.0 License.

Copyright OpenSearch Contributors. See NOTICE for details.

Trademark

OpenSearch is a registered trademark of LF Projects, LLC.

OpenSearch includes certain Apache-licensed Elasticsearch code from Elasticsearch B.V. and other source code. Elasticsearch B.V. is not the source of that other source code. ELASTICSEARCH is a registered trademark of Elasticsearch B.V.

Contributors

(top 30 of 347)

kimchy

4,781 commits

s1monw

3,181 commits

jasontedor

2,809 commits

martijnvg

2,715 commits

Languages

Java

96.5%

Rust

3.2%