Graph database extensions compared

Graph capabilities added to an existing database as an extension.

11 active graph database extensions are in the catalogue. They are written mostly in C and C++, 11 are open source, and 1 carry survey feature scores. HGraphDB, RecallGraph, VelocityGraph are no longer active and listed separately below.

Attribute	Apache AGE #15 ▼1 Strong	AgensGraph #34 ▲14 Strong	DuckPGQ #51 ▼4 Growing	YugabyteDB MAGE #97 ▼4 Growing	Duck RDF #104 ▼4 Growing	GraphQLite #105 ▼4 Growing
At a glance
Rank	#15	#34	#51	#97	#104	#105
Score	59.5	50.5	47.8	37.8	35.5	35.1
GitHub stars	4.9k	1.5k	510	10.6k	44	523
Popularity	59.5	54.4	48.1	—	36.9	45.0
Activity	67.9	63.5	42.3	49.9	61.3	57.5
Community	52.9	30.3	50.0	30.3	60.1	52.5
Research	53.5	50.0	54.3	50.0	50.0	50.0
Fundamentals
Description	PostgreSQL extension providing graph database functionality with openCypher query support, enabling graph and relational queries on the same data.	A multi-model graph database built on PostgreSQL, supporting property graphs with JSON properties. Enables hybrid openCypher and SQL query processing on the same data.	DuckDB community extension adding SQL/PGQ (SQL:2023 standard) graph pattern matching and graph algorithms to DuckDB's analytical engine.	A multi-tenant graph engine for YugabyteDB based on a port of Apache AGE, storing property graphs alongside relational data in the distributed PostgreSQL-compatible YSQL layer and queried with openCypher embedded in SQL. Introduced as a technical preview in YugabyteDB 2026.1 (June 2026).	An RDF extension for DuckDB that reads, writes, profiles, and queries RDF serializations through a columnar schema, with SPARQL and R2RML/YARRRML mapping support.	A loadable SQLite extension that adds property-graph storage and openCypher querying to any SQLite database, keeping graph and relational data together in a single zero-config file. It ships with 15+ built-in graph algorithms—PageRank, Louvain, Dijkstra, centralities—plus Python and Rust bindings, and inherits SQLite's embedded, serverless ACID operation.
Vendor	Apache Software Foundation	SKAI Worldwide	CWI Database Architectures Group	Yugabyte	Dan Bennett	Colliery IO
Model	Property Graph	Property Graph	Property Graph	Property Graph	RDF	Property Graph
Kind	extension	extension	extension	extension	extension	extension
Category	Established	Growing	Emerging	Emerging	Emerging	Emerging
First released	2020-07	2016-11	2023	2026-06	2025-08	2025-07
Status	active	active	active	active	active	active
License	Apache-2.0	Apache-2.0	MIT	Apache-2.0	MIT	MIT
Written in	C	C	C++	C	C++	C
Query languages	openCypher, SQL	openCypher, SQL	SQL/PGQ	openCypher, SQL	SPARQL	openCypher
gdotv support	yes	no	no	no	no	no