Source-Available Graph Database Popularity Ranking

ArangoDB leads with a score of 66.7, followed by SurrealDB (62.6) and Memgraph (57.7) — 9 engines ranked, May 2026.

#	Name	Score	Tier	Type	License	Language	Query Languages
1	ArangoDB	66.7	Strong	Multiple	BSL-1.1	C++	AQL
2	SurrealDB	62.6	Strong	Multiple	BSL-1.1	Rust	SurrealQL
3	Memgraph	57.7	Strong	Property Graph	BSL-1.1	C++	openCypher
4	Fluree	48.9	Growing	RDF	EPL-2.0	Rust	FlureeQLGraphQLSPARQL
5	TuringDB	42.6	Growing	Property Graph	BSL-1.1	C++	openCypher
6	RDF::Trine	40.2	Growing	RDF	Artistic-2.0	Perl	SPARQL
7	Attean	37.4	Growing	RDF	Artistic-2.0	Perl	SPARQL
8	ZipG	37.2	Growing	Other	-	Java	Custom API
9	RushDB	21.5	Emerging	Property Graph	ELv2	TypeScript	Custom API