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milvus-io /milvus

Star40.8k

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

golang distributed nearest-neighbor-search cloud-native image-search vector-similarity faiss anns rag hnsw vector-search vector-database llm embedding-database embedding-store vector-store embedding-similarity diskann

UpdatedNov 29, 2025
Go

qdrant /qdrant

Sponsor

Star27.4k

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

search search-engine machine-learning neural-network nearest-neighbor-search image-search recommender-system search-engines similarity-search ai-search knn-algorithm mlops hnsw vector-search vector-database neural-search vector-search-engine embeddings-similarity ai-search-engine

UpdatedNov 29, 2025
Rust

pgvector /pgvector

Star18.6k

Open-source vector similarity search for Postgres

nearest-neighbor-search approximate-nearest-neighbor-search

UpdatedNov 24, 2025
C

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.

search-engine information-retrieval grpc nearest-neighbor-search semantic-search-engine image-search recommender-system vectors approximate-nearest-neighbor-search semantic-search similarity-search mlops hnsw weaviate vector-search vector-database neural-search vector-search-engine hybrid-search generative-search

UpdatedNov 28, 2025
Go

spotify /annoy

Star14.1k

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

python golang c-plus-plus lua nearest-neighbor-search locality-sensitive-hashing approximate-nearest-neighbor-search

UpdatedOct 29, 2025
C++

lancedb /lancedb

Star8.1k

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

search-engine nearest-neighbor-search image-search recommender-system approximate-nearest-neighbor-search semantic-search similarity-search vector-database

UpdatedNov 28, 2025
Rust

MariaDB /server

Star6.7k

MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.

mysql json sql database storage-engine mariadb nearest-neighbor-search rdbms relational-databases geographical-information-system amazon-web-services fulltext-search galera innodb vector-database

UpdatedNov 28, 2025
C++

haifengl /smile

Sponsor

Star6.3k

Statistical Machine Intelligence & Learning Engine

visualization nlp data-science machine-learning statistics computer-vision deep-learning clustering interpolation genetic-algorithm linear-algebra regression nearest-neighbor-search classification wavelet dataframe computer-algebra-system manifold-learning multidimensional-scaling llm

UpdatedNov 29, 2025
Java

mlpack /mlpack

Star5.6k

mlpack: a fast, header-only C++ machine learning library

c-plus-plus machine-learning deep-learning regression nearest-neighbor-search scientific-computing machine-learning-library hacktoberfest

UpdatedNov 29, 2025
C++

infiniflow /infinity

Star4.2k

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

search-engine vector nearest-neighbor-search full-text-search approximate-nearest-neighbor-search embedding bm25 information-retrival cpp20 rag hnsw vector-search vector-database hybrid-search cpp20-modules ai-native tensor-database vectordatabase multi-vector

UpdatedNov 28, 2025
C++

unum-cloud /USearch

Star3.3k

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