Top FULL-TEXT-SEARCH GitHub Repositories & Tools (2026)

One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.

Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.

The AI-Native Search Database. Best for agent storage, it unifies vector, text, structured, and semi-structured data into a single engine. This all-in-one database makes agents smarter, easier to run, and more stable.

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

An embeddable fulltext search engine. Groonga is the successor project to Senna.

Ruby Client API for Sphinx

seq-db is a scalable and high-performance database designed for storing and querying logs efficiently

Add a real-time analytics node to your operational database. Spice is a portable, accelerated SQL query, search, and LLM-inference engine in Rust for data-grounded AI apps and agents.