llamaindex

Milvus

MilvusAIOpen

Open-source vector database for GenAI search at billion scale

Milvus is an Apache-2.0 open-source vector database that stores and indexes embedding vectors for millisecond similarity search over very large collections.

Chroma

ChromaAIOpen

Open-source vector database for AI search and retrieval

Chroma is an open-source vector database for AI retrieval, storing embeddings with metadata and serving vector, full-text, and regex search in one query.