SHSelfHostIndex
GR

Groonga

Open-source full-text search engine and column store

Search Engines ★ 854 stars Medium setup LGPL-2.1

Groonga is an open-source full-text search engine and column-oriented database optimized for fast, real-time indexing. It powers self-hosted search for Japanese and multilingual content via integrations like Mroonga.

Official siteSource code

Key features

  • Real-time indexing
  • Column store engine
  • Strong CJK support
  • HTTP query interface

Pros & cons

Strengths

  • Fast incremental updates
  • Excellent CJK handling

Trade-offs

  • Smaller ecosystem
  • Documentation skews Japanese

Groonga replaces

Self-hosted Elasticsearch alternatives

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10 head-to-head comparisons.

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