Best Free Search Engines for self-hosting

Open-source vector database built for scalable similarity search

Replaces Pinecone, Elasticsearch

SearXNG

Search Engines

Privacy-respecting metasearch engine aggregating many sources

Replaces Google Search, Bing

AI-powered search engine, formerly Perplexica

Replaces Google Search

Qdrant

Search Engines

High-performance open-source vector search engine

Replaces Pinecone, Algolia

Fast, lightweight schema-less search backend

Replaces Algolia, Elasticsearch

Weaviate

Search Engines

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

Quickwit

Search Engines

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

Postgres extension for full-text and analytical search

Replaces Elasticsearch

Small full-text search library for the browser

Replaces Algolia, 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

Foundational open-source text search engine library

Replaces proprietary search SDKs

Open-source AI search engine with local model support

Replaces Google Search

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

Independent search engine focused on the non-commercial web

Replaces Google Search

Reproducible information retrieval toolkit

Replaces Elasticsearch

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

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

Meme Search

Search Engines

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