Specialized Graph Databases, Ranked Monthly

TypeDB leads with a score of 61.9, followed by HelixDB (59.8) and Atomic Server (56.9) — 22 engines ranked, September 2026.

#	1mo	Name	Score	Tier	Type	License	Language	Query Languages
1	=	TypeDB	61.9	Strong	Other	MPL-2.0	Rust	TypeQL
2	=	HelixDB	59.8	Strong	Other	Apache-2.0	Rust	HelixQL
3	=	Atomic Server	56.9	Strong	Other	MIT	Rust	Custom API
4	new	CozoDB	48.3	Growing	Other	MPL-2.0	Rust	Datalog
5	▼1	Gaffer	46.0	Growing	Other	Apache-2.0	Java	Custom API
6	▼1	TAO	45.4	Growing	Other	Proprietary	C++	TAO API
7	▼1	FlockDB	44.3	Growing	Other	Apache-2.0	Scala	Thrift API
8	▲3	HyperGraphDB	42.2	Growing	Other	Apache-2.0	Java	Java API
9	▼2	KatanaGraph	40.9	Growing	Other	BSD-3-Clause	C++	openCypher
10	▼2	ZipG	39.6	Growing	Other	-	C++	Custom API
11	▼1	ByteGraph	39.3	Growing	Other	Proprietary	C++	Gremlin
12	▼3	Cray Graph Engine	38.0	Growing	Other	Proprietary	C++	SPARQL
13	=	Prometheux	34.0	Growing	Other	Proprietary	-	Vadalog
14	▲2	HGraphDB	33.2	Growing	Other	Apache-2.0	Java	Gremlin
15	=	Weaver	32.8	Growing	Other	BSD-3-Clause	C++	Custom API
16	▼2	RelationalAI	31.4	Growing	Other	Proprietary	Julia	RelSQL
17	▼5	Objectivity/DB	30.1	Growing	Other	Proprietary	C++	DO Query Language
18	=	G-Tran	22.2	Emerging	Other	Apache-2.0	C++	Gremlin
19	▼2	TribleSpace	22.0	Emerging	Other	MIT OR Apache-2.0	Rust	Custom API
20	▼1	BangDB	20.8	Emerging	Other	BSD-3-Clause	C++	openCypher
21	▼1	Minigraf	20.8	Emerging	Other	MIT OR Apache-2.0	Rust	Datalog
22	▼1	LiveGraph	15.6	Emerging	Other	Apache-2.0	C++	Custom API

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