spotify/annoy

Benchmarks of approximate nearest neighbor libraries in Python

Header-only C++/python library for fast approximate nearest neighbors

A library for efficient similarity search and clustering of dense vectors.

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

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.

A lightweight, lightning-fast, in-process vector database

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/

Open-source vector similarity search for Postgres

Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search