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Open Source Search Engines using Java

A curated collection of the best open source specialized engines and platforms for implementing search functionality. using Java.

Elasticsearch

The leading distributed search and analytics engine

  • Stars

    78,417

  • Last commit

    4 hours ago

  • License

    Unknown
Elasticsearch is an open-source, RESTful search engine designed for scalability, reliability, and easy management.

Open Source Alternative to:

Algolia

OpenSearch

Open-source search and analytics at enterprise scale

  • Stars

    13,936

  • Last commit

    12 hours ago

  • License

    Apache-2.0
Community-driven, Apache 2.0-licensed search and analytics suite for ingesting, searching, visualizing, and analyzing data at scale with AI/ML capabilities.

Open Source Alternative to:

ElasticSearch

Manticore Search

Lightning-fast open source search engine for big data

  • Stars

    12,073

  • Last commit

    8 hours ago

  • License

    GPL-3.0
Open source search database delivering 2.83x faster performance than Elasticsearch. Features vector search, SQL interface, and full-text capabilities.

Open Source Alternative to:

ElasticSearch
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