Chroma
AI-native embedding database for RAG: runs embedded via pip or as a Docker server, with portable SQLite/Parquet storage for clean data exit. Apache-2.0, but the OSS core ships without built-in authentication.
Vector Databases
Category: Vector Databases under Artificial Intelligence
Qdrant
Apache-2.0 vector database in Rust for RAG and semantic search, fully self-hostable with no copyleft strings. Multi-AZ high availability, SSO, and audit logs are gated to the managed Qdrant Cloud.