Vector Databases & AI Memory Systems Tools

PostgreSQL extension adding native vector similarity search.

Meta's open-source library for billion-scale similarity search.

Embedded vector database with zero-copy, in-process access.

In-memory vector search via Redis Stack.

Vector search built directly into MongoDB's document platform.

Mature search engine with vector search added via ML integrations.

Memory layer SDK giving LLM agents conversation continuity.

Memory platform purpose-built for AI agent conversation history.

Agent memory framework, formerly known as MemGPT.