Repository Index

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

• search-engine
• typo-tolerance
• site-search
• database

An open-source engine that turns continuous content streams into search and monitoring. Durable ingestion, hybrid search, alerts, and plugins for formats, models and business rules.

• ai
• llm
• api
• chatbot

SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.

• metasearch
• search
• python
• searxng

mini cli search engine for your docs, knowledge bases, meeting notes, whatever. Tracking current sota approaches while being all local

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

• search-engine
• search
• typo-tolerance
• site-search

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

• rust
• infrastructure
• search
• index

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

• go
• golang
• search
• searchengine

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

• search-engine
• semantic-search
• semantic-search-engine
• vector-search

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

• search
• search-algorithm
• search-engine
• searching-algorithms

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

• search-engine
• search
• mysql
• sphinxsearch

Cloud-native OSS search engine for observability

• rust
• log-management
• logs
• tantivy

A modern text/numeric/geo-spatial/vector indexing library for go

🌌 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.

• data-structures
• full-text
• search
• typo-tolerance

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

• sparse-vector
• hybrid-search
• bm25
• full-text-search

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.

• ai-native
• nearest-neighbor-search
• rag
• vector-search

A fully featured full text search engine written in PHP

• php
• fulltext
• search
• search-engine

🔍 Tiny, full-text search engine for static websites built with Rust and Wasm

• bloom-filter
• static-site
• search-engine
• wasm

JS Search is an efficient, client-side search library for JavaScript and JSON objects

• search
• database
• indexing
• performance

Elassandra = Elasticsearch + Apache Cassandra

• cassandra
• elasticsearch
• search
• completion

Apache Solr open-source search software

• lucene
• solr
• search
• nosql

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.

• java
• elasticsearch
• full-text-search
• lucene

Embeddable, in-memory, document-oriented database with a high-level Query builder interface.

• database
• embedable
• go
• in-memory

A Modern C++ Data Sciences Toolkit

• nlp
• nlp-parsing
• search-engine
• inverted-index

Lunr-core is a small, full text search library for use in small applications. It's a .NET port of LUNR.js.