Specialized Graph Database Popularity Ranking

TypeDB leads with a score of 64.6, followed by HelixDB (64.0) and Atomic Server (49.1) — 20 engines ranked, May 2026.

#	Name	Score	Tier	Type	License	Language	Query Languages
1	TypeDB	64.6	Strong	Other	MPL-2.0	Rust	TypeQL
2	HelixDB	64.0	Strong	Other	AGPL-3.0	Rust	HelixQL
3	Atomic Server	49.1	Growing	Other	MIT	Rust	Custom API
4	Gaffer	46.6	Growing	Other	Apache-2.0	Java	Custom API
5	TAO	45.8	Growing	Other	Proprietary	C++	TAO API
6	FlockDB	45.0	Growing	Other	Apache-2.0	Scala	Thrift API
7	HyperGraphDB	44.0	Growing	Other	Apache-2.0	Java	Java API
8	Cray Graph Engine	42.9	Growing	Other	Proprietary	C++	SPARQL
9	KatanaGraph	41.6	Growing	Other	BSD-3-Clause	C++	openCypher
10	ByteGraph	40.4	Growing	Other	Proprietary	C++	Gremlin
11	ZipG	40.2	Growing	Other	-	Java	Custom API
12	Prometheux	39.6	Growing	Other	Proprietary	-	Vadalog
13	Objectivity/DB	38.0	Growing	Other	Proprietary	C++	DO Query Language
14	Weaver	34.0	Growing	Other	BSD-3-Clause	C++	Custom API
15	HGraphDB	33.7	Growing	Other	Apache-2.0	Java	Gremlin
16	CogDB	26.7	Emerging	Other	MIT	Python	Custom API
17	G-Tran	20.7	Emerging	Other	Apache-2.0	C++	Gremlin
18	BangDB	19.7	Emerging	Other	BSD-3-Clause	C++	openCypher
19	TribleSpace	16.8	Emerging	Other	MIT OR Apache-2.0	Rust	Custom API
20	LiveGraph	15.4	Emerging	Other	Apache-2.0	C++	Custom API

1 additional engine has too little public signal to be ranked.