Best Free Search Engines for self-hosting

Open-source vector database built for scalable similarity search

Replaces Pinecone, Elasticsearch

Open-source AI-powered search engine

Replaces Google Search

Privacy-respecting metasearch engine aggregating many sources

Replaces Google Search, Bing

High-performance open-source vector search engine

Replaces Pinecone, Algolia

Fast, lightweight schema-less search backend

Replaces Algolia, Elasticsearch

Lightweight search engine alternative to Elasticsearch

Replaces Elasticsearch, Algolia

Open-source vector database for semantic and AI search

Replaces Pinecone, Algolia

Full-text search engine library written in Rust

Replaces Elasticsearch

The original privacy-respecting metasearch engine

Replaces Google Search, Bing

Self-hosted, ad-free, privacy-respecting Google search proxy

Replaces Google Search

Cloud-native search engine for logs and traces

Replaces Splunk, Elasticsearch

Embeddable full-text search and indexing library

Replaces Elasticsearch, Algolia

Fast full-text and vector search engine for any runtime

Replaces Algolia, Elasticsearch

Small full-text search library for the browser

Replaces Algolia, Elasticsearch

Postgres extension for full-text and analytical search

Replaces Elasticsearch

AI-powered answer engine with a generative UI

Replaces Google Search

Open-source big data serving engine for search and recommendation

Replaces Elasticsearch, Algolia

LLM-based multi-agent framework for web search answers

Replaces Perplexity AI

Lightning-fast code search across many Git repositories

Replaces GitHub Code Search

Static-site search that runs fully in the browser

Replaces Algolia, Elasticsearch

End-to-end vector search engine for text and images

Replaces Algolia, Pinecone

AI-native database for embedding and hybrid search

Replaces Pinecone, Elasticsearch

Full-text search server built on the Tantivy engine

Replaces Elasticsearch

Decentralized peer-to-peer web search engine

Replaces Google Search, Bing

Multimodal search and RAG over documents and images

Replaces Glean

Open-source AI search engine with local model support

Replaces Google Search

Foundational open-source text search engine library

Replaces proprietary search SDKs

AI-powered metasearch across multiple data sources

Replaces Glean

Tiny WebAssembly-powered static site search

Replaces Algolia

Fast, accessible static site search in WebAssembly

Replaces Algolia

Open-source web search engine you can self-host

Replaces Google Search, Bing

Reproducible information retrieval toolkit

Replaces Elasticsearch

Independent search engine focused on the non-commercial web

Replaces Google Search

Free, open-source and non-profit web search engine

Replaces Google Search, Bing

Cloud-native distributed vector search engine

Replaces Pinecone, Elasticsearch

Fast, fault-tolerant search engine built on Tantivy

Replaces Elasticsearch, Algolia

Lightning-fast tag-based file indexing and search engine

Replaces Recoll

Privacy-respecting metasearch engine written in Rust

Replaces Google Search

Powerful enterprise search server easy to deploy

Replaces Google Search Appliance

Distributed full-text search server in Go

Replaces Elasticsearch

Performant indexes and search for large text collections

Replaces Elasticsearch

Mature open-source probabilistic search engine library

Replaces Elasticsearch

Open-source full-text search engine and column store

Replaces Elasticsearch

Privacy-respecting metasearch engine and proxy

Replaces Google Search

Lightweight privacy-friendly metasearch proxy

Replaces Google Search, Bing

Web dashboard for managing Meilisearch instances

Replaces Algolia Dashboard

AI-powered meme search engine

Pure-Python full-text indexing and search library

Replaces Elasticsearch

Privacy-respecting self-hosted Google metasearch engine

Replaces Google Search

Privacy-respecting metasearch engine

Replaces Google Search

Full-text desktop and server search for your documents

Replaces Google Desktop

Full-text search server able to run in the browser via WASM

Replaces Elasticsearch

Full-text, vector and hybrid search engine

Replaces Algolia, Elasticsearch

Privacy-respecting metasearch engine you can host

Replaces Google Search, Bing

Cross-platform desktop search for document contents

Replaces Google Desktop

Lightweight distributed web search you can host yourself

Replaces Google Search