Qdrant
Qdrant is an open source vector similarity search engine and database written in Rust. It is designed specifically for AI applications requiring high-performance semantic search, recommendation systems, and retrieval-augmented generation. Qdrant supports filtering, payload storage, and sparse vectors alongside dense embeddings, and offers both self-hosted and cloud deployment options.
🔗 https://qdrant.tech/ | GitHub: https://github.com/qdrant/qdrant