Top LUCENE GitHub Repositories & Tools (2026)

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

Apache Lucene open-source search software

Apache Lucene.NET is an open-source full-text search library written in C#, ported from the Apache Lucene project.

Apache Solr open-source search software

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.

Hibernate Search: full-text search for domain model

Stroom is a highly scalable data storage, processing and analysis platform.

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