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 65.3, followed by FalkorDB (62.2) and LadybugDB (61.5) — 9 engines ranked, September 2026.

#	1mo	Name	Score	Tier	Type	License	Language	Query Languages
1	▲2	Memgraph	65.3	Leader	Property Graph	BSL-1.1	C++	openCypher
2	=	FalkorDB	62.2	Strong	Property Graph	SSPL-1.0	C	openCypher
3	▲2	LadybugDB	61.5	Strong	Property Graph	MIT	C++	openCypher
4	=	SurrealDB	60.1	Strong	Multiple	BSL-1.1	Rust	GQLGraphQLSurrealQL
5	▼4	HelixDB	60.0	Strong	Other	AGPL-3.0	Rust	HelixQL
6	=	ArcadeDB	57.8	Strong	Multiple	Apache-2.0	Java	GraphQLGremlinSQL +1
7	=	NornicDB	43.8	Growing	Property Graph	MIT	Go	GraphQLopenCypher
8	=	RyuGraph	38.5	Growing	Property Graph	MIT	C++	openCypher
9	new	Minigraf	19.4	Emerging	Other	MIT OR Apache-2.0	Rust	Datalog