lancedb / lancedb

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

pgvector / pgvector

Open-source vector similarity search for Postgres

weaviate / weaviate

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

lmcinnes / pynndescent

A Python nearest neighbor descent for approximate nearest neighbors

unum-cloud / USearch

Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍

microsoft / SPTAG

A distributed approximate nearest neighborhood search (ANN) library which provides a high quality vector index build, search and distributed online serving toolkits for large scale vector search scenario.

infiniflow / infinity

The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.

vdaas / vald

Vald. A Highly Scalable Distributed Vector Search Engine

NGT-labs / NGT

Nearest Neighbor Search with Neighborhood Graph and Tree for High-dimensional Data