Grafeo – A fast, lean, embeddable graph database built in Rust

Grafeo is a high-performance, embeddable graph database written in Rust that supports multiple query languages (GQL, Cypher, Gremlin, GraphQL, SPARQL, SQL/PGQ) and dual data models (LPG and RDF). It features HNSW-based vector search, ACID transactions with MVCC, and bindings for Python, Node.js, Go, C, C#, Dart, and WebAssembly, along with AI ecosystem integrations like LangChain and LlamaIndex.