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Top Open Source Search Engines Tools in 2026

A curated collection of the 7 best free and open-source Search Engines tools in 2026. Compare features, GitHub stars, tech stacks, and self-hosted software.

  • Typesense

    Open-source search engine for fast, typo-tolerant results

    Stars
    26,481
    Last commit
    19d ago
    License
    GPL-3.0

  • SeekStorm

    High-performance search API for real-time data

    Stars
    1,908
    Last commit
    14d ago
    License
    Apache-2.0

  • Quickwit

    Sub-second search engine on cloud storage

    Stars
    11,550
    Last commit
    11d ago
    License
    Apache-2.0

  • OpenSearch

    Open source search and analytics suite

    Stars
    13,586
    Last commit
    10d ago
    License
    Apache-2.0

  • Meilisearch

    Ultra-fast open-source search engine with AI retrieval

    Stars
    59,104
    Last commit
    24d ago
    License
    Open Source

  • Manticore Search

    Open source fast search database alternative

    Stars
    11,956
    Last commit
    10d ago
    License
    GPL-3.0

  • Elasticsearch

    Distributed search & analytics engine

    Stars
    77,869
    Last commit
    10d ago
    License
    Open Source
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Showing 7 of 7 open-source tools