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Self-hosted Search Engines

A curated collection of the best self-hosted specialized engines and platforms for implementing search functionality..

Elasticsearch

The leading distributed search and analytics engine

  • Stars

    78,692

  • Last commit

    3 hours ago

  • License

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

Open Source Alternative to:

Algolia

Meilisearch

Lightning-fast search for your applications

  • Stars

    59,866

  • Last commit

    3 days ago

  • License

    MIT
A powerful, fast, and easy-to-use search engine that delivers instant and relevant results for your websites and applications.

Open Source Alternative to:

ElasticSearch

SearXNG

Privacy-first metasearch across 270+ sources

  • Stars

    39,577

  • Last commit

    15 hours ago

  • License

    AGPL-3.0
Self-hostable metasearch engine that aggregates results from 270+ sources without tracking or profiling users, with optional JavaScript and Tor support.

Open Source Alternative to:

DuckDuckGo

Typesense

Lightning-fast, typo-tolerant search engine for all

  • Stars

    27,133

  • Last commit

    3 days ago

  • License

    GPL-3.0
Open-source search solution offering blazing speed, typo tolerance, and effortless scalability for developers and businesses.

Open Source Alternative to:

ElasticSearch

OpenSearch

Open-source search and analytics at enterprise scale

  • Stars

    14,012

  • Last commit

    1 day 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

Quickwit

Lightning-fast search for massive datasets

  • Stars

    11,796

  • Last commit

    1 day ago

  • License

    Apache-2.0
High-performance search engine designed for big data, offering scalability, real-time indexing, and cost-effective operations.

Open Source Alternative to:

ElasticSearch

Manticore Search

Lightning-fast open source search engine for big data

  • Stars

    12,081

  • Last commit

    12 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

SeekStorm

Full-text search API with real-time indexing and crawling

  • Stars

    1,938

  • Last commit

    7 hours ago

  • License

    Apache-2.0
Cloud search API and crawler service supporting billions of documents, real-time indexing, autocomplete, faceted filtering, and multi-language text across any application.

Open Source Alternative to:

ElasticSearch
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