Top OPENSEARCH GitHub Repositories & Tools (2026)

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

phpMyFAQ - Open Source FAQ web application for PHP 8.4+ and MySQL, PostgreSQL and other databases

OpenSearch Kubernetes Operator

Hibernate Search: full-text search for domain model

GeoNetwork is a catalog application to manage spatially referenced resources. It provides powerful metadata editing and search functions as well as an interactive web map viewer. It is currently used in numerous Spatial Data Infrastructure initiatives across the world.

Improve your OpenSearch, Elasticsearch, Solr, Vectara, Algolia and Custom Search search quality.

Astra is a structured log search and analytics engine developed by Slack and Salesforce