Elasticsearch
Search EnginesDistributed search and analytics engine
Replaces Algolia, Splunk
The 39 best API search engines you can self-host, ranked by community traction.
Distributed search and analytics engine
Replaces Algolia, Splunk
Fast, typo-tolerant search engine for applications
Replaces Algolia, Elasticsearch
Open-source vector database built for scalable similarity search
Replaces Pinecone, Elasticsearch
Open-source AI-powered search engine
Replaces Google Search
High-performance open-source vector search engine
Replaces Pinecone, Algolia
Open-source typo-tolerant search engine optimized for speed
Replaces Algolia, Elasticsearch
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
The original privacy-respecting metasearch engine
Replaces Google Search, Bing
Fast, low-footprint database for search
Replaces Elasticsearch, Algolia
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
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
Full-text and vector search module for Redis
Replaces Elasticsearch, Algolia
Lightning-fast code search across many Git repositories
Replaces GitHub Code Search
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
Multimodal search and RAG over documents and images
Replaces Glean
Open-source AI search engine with local model support
Replaces Google Search
AI-powered metasearch across multiple data sources
Replaces Glean
Open-source web search engine you can self-host
Replaces Google Search, Bing
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
Enterprise-grade open-source search platform
Replaces Elasticsearch, Algolia
Fast, fault-tolerant search engine built on Tantivy
Replaces Elasticsearch, Algolia
Powerful enterprise search server easy to deploy
Replaces Google Search Appliance
Distributed full-text search server in Go
Replaces Elasticsearch
Open-source full-text search engine and column store
Replaces Elasticsearch
Privacy-respecting self-hosted Google metasearch engine
Replaces Google Search
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
No apps match these filters.
Every option here is open-source and self-hostable, tagged API within the search engines category. Compare them on the individual app pages for setup difficulty and resource requirements.