Best Open Source nearest neighbor search Libraries

A curated list of the most popular GitHub repositories tagged with nearest neighbor search. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1milvus-io/milvus

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

42,914Go

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#2qdrant/qdrant

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/

28,981Rust

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#3pgvector/pgvector

Open-source vector similarity search for Postgres

19,894C

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#4spotify/annoy

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

14,159C++

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#5lancedb/lancedb

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

9,029HTML

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