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Typesense is an open-source search engine that supports hybrid search, including vector search capabilities, providing an alternative to proprietary vector search solutions.
Elasticsearch is a distributed search engine supporting various data types, including vectors, and provides scalable vector search capabilities, making it a popular choice for modern AI-powered applications. It can be extended with the k-NN plugin to provide scalable vector search using HNSW and Lucene, enabling hybrid semantic and keyword search capabilities.
Orama is a lightweight search engine that supports vector and hybrid search functionalities, suitable for browser, server, or edge environments.
Solr is a mature open-source search engine that has incorporated vector search capabilities, making it relevant for enterprises looking to implement vector-based search alongside traditional keyword search.
Tantivy is a full-text search engine library inspired by Apache Lucene, offering fast and scalable similarity search capabilities. While primarily focused on text, it supports efficient vector-based similarity searches, making it useful for vector search tasks.
Bleve is an open-source search library with experimental support for vector search, enabling hybrid search and retrieval in applications.
ChromaDB (also known as Chroma or chroma-core) is an open-source vector database focused on LLM applications, emphasizing simplicity and in-memory HNSW-based dense vector search. It is suited for prototyping, metadata filtering, and offers a user-friendly interface for building and testing vector search applications, though it currently lacks hybrid and distributed features.
Typesense is an open-source, developer-friendly search engine designed for high performance and ease of use. It supports both traditional full-text search and vector/semantic search, offering a modern alternative to proprietary solutions like Algolia and Pinecone, as well as open-source engines like Elasticsearch.
Vector Database Engines
open-source, hybrid-search, vector-search, full-text-search