Graph Systems for Agent Memory, Ranked Monthly

Graph systems used as memory and context stores for AI agents. Monthly ranking by adoption, activity, community, and research.

Memgraph leads with a score of 70.8, followed by FalkorDB (69.8) and SurrealDB (65.8) — 9 engines ranked, October 2026.

# 1mo Name Score Tier Type License Language Query Languages
1 = 70.8 Leader Property Graph BUSL-1.1 C++ openCypher
2 = 69.8 Leader Property Graph SSPL-1.0 C openCypher
3 = 65.8 Leader Multiple BUSL-1.1 Rust GQLGraphQLSurrealQL
4 = 65.4 Leader Multiple Apache-2.0 Java GraphQLGremlinSQL +1
5 = 63.7 Strong Other Apache-2.0 Rust HelixQL
6 = 62.2 Strong Property Graph MIT C++ openCypher
7 = 49.3 Growing Property Graph MIT Go GraphQLopenCypher
8 = 38.2 Growing Property Graph MIT C++ openCypher
9 = 25.2 Emerging Other MIT OR Apache-2.0 Rust Datalog