nmslib/hnswlib

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.

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

Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk

Benchmarks of approximate nearest neighbor libraries in Python

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

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

A vector index built on TurboQuant, written in Rust with Python bindings

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

Open-source vector similarity search for Postgres