Best Graph Databases 2026

Amazon Neptune is a managed AWS graph service for connected-data apps, with Gremlin, openCypher and SPARQL.

GraphScope NeuG combines transactional graph queries, HNSW vector search and BM25 full-text search in one database.

AgensGraph combines relational and graph data with SQL and Cypher in one engine, supporting connected-data analysis.

BigQuery Data Clean Rooms let parties join and analyze shared tables, views or functions without revealing underlying data.

ONgDB stores graph data with ACID transactions and Geequel query support on Linux, macOS and Windows.

HelixDB runs on Linux, macOS and Windows, using HelixQL for database queries and vector search.

RyuGraph is a self-hosted database for Linux, macOS and Windows with Cypher, ACID transactions, algorithms and vector search.