blevesearch/bleve

Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust

Free and Open Source, Distributed, RESTful Search Engine

ZincSearch . A lightweight alternative to elasticsearch that requires minimal resources, written in Go.

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

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.

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

Next-generation full-text search library for Browser and Node.js

🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.