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Note-Taking Tools

Open Source Search Engines

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

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Last commit
License

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License

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License

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License

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License

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License

Elasticsearch

The leading distributed search and analytics engine

Stars
77,852
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
58,960

Typesense

Lightning-fast, typo-tolerant search engine for all

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26,436

OpenSearch

Open-source search and analytics at enterprise scale

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13,519

Quickwit

Lightning-fast search for massive datasets

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11,494

Manticore Search

Lightning-fast open source search engine for big data

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11,941

SeekStorm

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

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1,906

Openlane

Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.

Get started for free

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

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

Open Source Alternative to:

ElasticSearch

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

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

Open Source Alternative to:

ElasticSearch

Last commit

3 hours ago

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

Last commit

2 days ago

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

Openlane

Open-source, developer-first platform for automated compliance, risk management, and built-in Trust Center.

Get started for free