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milvus-io / milvus

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

Updated Jul 28, 2026
Go

qdrant / qdrant

Sponsor

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/

Updated Jul 28, 2026
Rust

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.

Updated Jul 28, 2026
Go

alibaba / zvec

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

search-engine embedded local db semantic-search similarity-search faiss rag hnsw vector-database vector-db llm-memory agent-skills

Updated Jul 28, 2026
C++

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.

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

Updated Jul 25, 2026
C++

ekzhu / datasketch

MinHash, LSH, LSH Forest, Weighted MinHash, HyperLogLog, HyperLogLog++, LSH Ensemble and HNSW

python search weighted-quantiles lsh minhash top-k locality-sensitive-hashing lsh-forest lsh-ensemble jaccard-similarity hyperloglog data-sketches data-summary hnsw

Updated Jul 22, 2026
Python

oceanbase / seekdb

The AI-Native Search Database. Best for agent storage, it unifies vector, text, structured, and semi-structured data into a single engine. This all-in-one database makes agents smarter, easier to run, and more stable.

mysql python sql full-text-search embedded-database ai-agents copy-on-write rag hnsw oceanbase hybrid-search langchain llamaindex vector-databases

Updated Jul 29, 2026
C++

hora-search / hora

🚀 efficient approximate nearest neighbor search algorithm collections library written in Rust 🦀 .

rust search-engine machine-learning algorithm neural-network high-performance numeric artificial-intelligence simd data-structures image-search recommender-system approximate-nearest-neighbor-search similarity-search rust-sci k-nearest-neighbors hnsw vector-search

Updated Feb 17, 2026
Rust

spotify / voyager

🛰️ An approximate nearest-neighbor search library for Python and Java with a focus on ease of use, simplicity, and deployability.

python java machine-learning nearest-neighbor-search hnsw hnswlib

Updated Mar 1, 2026
C++

endee-io / endee

Endee.io – A high-performance vector database, designed to handle up to 1B vectors on a single node, delivering significant performance gains through optimized indexing and execution. Also available in cloud https://endee.io/

vector image-search ann ai-search hnsw endee vector-database vector-search-engine hybrid-search ai-search-engine

Updated Jun 29, 2026
C++

microsoft / rag-time

RAG Time: A 5-week Learning Journey to Mastering RAG

Updated Jun 17, 2025
Jupyter Notebook

lanterndata / lantern

PostgreSQL vector database extension for building AI applications

search open-source postgres data-science machine-learning database ai vector postgresql embeddings nearest-neighbor-search ycombinator image-search ann approximate-nearest-neighbor-search knn mlops hnsw neural-search

Updated Dec 12, 2024
Rust

orneryd / NornicDB

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.