Elasticsearch
Search EnginesDistributed search and analytics engine
Replaces Algolia, Splunk
Best API Search Engines for self-hosting
The 36 best API search engines you can self-host, ranked by community traction.
Meilisearch
Search EnginesFast, typo-tolerant search engine for applications
Replaces Algolia, Elasticsearch
Milvus
Search EnginesOpen-source vector database built for scalable similarity search
Replaces Pinecone, Elasticsearch
Vane
Search EnginesAI-powered search engine, formerly Perplexica
Replaces Google Search
Qdrant
Search EnginesHigh-performance open-source vector search engine
Replaces Pinecone, Algolia
Typesense
Search EnginesOpen-source typo-tolerant search engine optimized for speed
Replaces Algolia, Elasticsearch
Sonic
Search EnginesFast, lightweight schema-less search backend
Replaces Algolia, Elasticsearch
Weaviate
Search EnginesOpen-source vector database for semantic and AI search
Replaces Pinecone, Algolia
SearX
Search EnginesThe original privacy-respecting metasearch engine
Replaces Google Search, Bing
Manticore Search
Search EnginesFast, low-footprint database for search
Replaces Elasticsearch, Algolia
Quickwit
Search EnginesCloud-native search engine for logs and traces
Replaces Splunk, Elasticsearch
bleve
Search EnginesEmbeddable full-text search and indexing library
Replaces Elasticsearch, Algolia
Orama
Search EnginesFast full-text and vector search engine for any runtime
Replaces Algolia, Elasticsearch
ParadeDB
Search EnginesPostgres extension for full-text and analytical search
Replaces Elasticsearch
Morphic
Search EnginesAI-powered answer engine with a generative UI
Replaces Google Search
Vespa
Search EnginesOpen-source big data serving engine for search and recommendation
Replaces Elasticsearch, Algolia
MindSearch
Search EnginesLLM-based multi-agent framework for web search answers
Replaces Perplexity AI
RediSearch
Search EnginesFull-text and vector search module for Redis
Replaces Elasticsearch, Algolia
Hound
Search EnginesLightning-fast code search across many Git repositories
Replaces GitHub Code Search
Marqo
Search EnginesEnd-to-end vector search engine for text and images
Replaces Algolia, Pinecone
Infinity
Search EnginesAI-native database for embedding and hybrid search
Replaces Pinecone, Elasticsearch
Toshi
Search EnginesFull-text search server built on the Tantivy engine
Replaces Elasticsearch
Morphik
Search EnginesMultimodal search and RAG over documents and images
Replaces Glean
Farfalle
Search EnginesOpen-source AI search engine with local model support
Replaces Google Search
Swirl
Search EnginesAI-powered metasearch across multiple data sources
Replaces Glean
Pyserini
Search EnginesReproducible information retrieval toolkit
Replaces Elasticsearch
Mwmbl
Search EnginesFree, open-source and non-profit web search engine
Replaces Google Search, Bing
Vald
Search EnginesCloud-native distributed vector search engine
Replaces Pinecone, Elasticsearch
Apache Solr
Search EnginesEnterprise-grade open-source search platform
Replaces Elasticsearch, Algolia
lnx
Search EnginesFast, fault-tolerant search engine built on Tantivy
Replaces Elasticsearch, Algolia
Fess
Search EnginesPowerful enterprise search server easy to deploy
Replaces Google Search Appliance
Groonga
Search EnginesOpen-source full-text search engine and column store
Replaces Elasticsearch
Araa Search
Search EnginesPrivacy-respecting self-hosted Google metasearch engine
Replaces Google Search
Summa
Search EnginesFull-text search server able to run in the browser via WASM
Replaces Elasticsearch
OramaCore
Search EnginesFull-text, vector and hybrid search engine
Replaces Algolia, Elasticsearch
MetaGer
Search EnginesPrivacy-respecting metasearch engine you can host
Replaces Google Search, Bing
No apps match these filters.
At a glance
| App | Deploy effort | Difficulty | Min. RAM | License | ★ Stars |
|---|---|---|---|---|---|
| Elasticsearch | Under-an-hour setup | Hard | 2,048 MB | Elastic-2.0 | 78,262 |
| Meilisearch | Under-an-hour setup | Easy | 256 MB | MIT | 59,562 |
| Milvus | Under-an-hour setup | Hard | 4,096 MB | Apache-2.0 | 46,377 |
| Vane | ≈5-minute setup | Medium | 1,024 MB | MIT | 37,307 |
| Qdrant | Under-an-hour setup | Medium | 512 MB | Apache-2.0 | 35,068 |
| Typesense | Under-an-hour setup | Easy | 512 MB | GPL-3.0 | 26,871 |
| Sonic | Under-an-hour setup | Medium | 32 MB | MPL-2.0 | 21,357 |
| Weaviate | Under-an-hour setup | Medium | 2,048 MB | BSD-3-Clause | 16,879 |
| SearX | Under-an-hour setup | Easy | 256 MB | AGPL-3.0 | 13,556 |
| Manticore Search | Under-an-hour setup | Medium | 256 MB | GPL-3.0 | 12,056 |
Quick picks
- Most adopted: Elasticsearch (78,262 GitHub stars).
- Lightest footprint: Sonic (from 32 MB RAM, against 4,096 MB for the heaviest here).
- Fastest to deploy: Vane (verified single-container compose).
- Licensing: 16 of 36 use Apache-2.0; check the rest individually if you plan to modify and redistribute.
Every option here is open-source and self-hostable, tagged API within the search engines category. Deploy effort is graded from published container recipes, not vendor claims — see the methodology.