Repository Index

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

• anns
• nearest-neighbor-search
• faiss
• vector-search

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/

• neural-network
• search-engine
• knn-algorithm
• hnsw

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
• semantic-search
• semantic-search-engine
• vector-search

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

• rag
• agent-skills
• embedded
• faiss

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

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

• ai-native
• nearest-neighbor-search
• rag
• vector-search

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.

• bolt
• cypher
• database
• enterprise-solutions

hnswlib.rb provides Ruby bindings for Hnswlib

• ruby
• gem
• nearest-neighbor-search
• approximate-nearest-neighbor-search