Memory & State

Open-source and hosted memory layer that gives agents persistent cross-session memory.

Rust vector search engine with HNSW and payload filtering, used for agent memory.

AI memory combining knowledge graphs with vector storage.

Open-source embedding database used as an agent memory store.

Open-source framework for stateful agents, formerly MemGPT.

Open-source vector database storing objects and vectors with hybrid search.

Agent memory platform built on Graphiti, a temporal knowledge graph engine.