C# Graph Database Popularity Ranking

Graph Engine leads with a score of 57.3, followed by Sones GraphDB (48.3) and BrightstarDB (43.5) — 4 engines ranked, May 2026.

#	Name	Score	Tier	Type	License	Language	Query Languages
1	Graph Engine	57.3	Strong	Property Graph	MIT	C#	LIKQ
2	Sones GraphDB	48.3	Growing	Property Graph	AGPL-3.0	C#	GQL (Sones)
3	BrightstarDB	43.5	Growing	RDF	MIT	C#	LINQSPARQL
4	VelocityGraph	13.1	Emerging	Property Graph	MIT	C#	LINQ