Graph Systems for GraphRAG & Knowledge Grounding, Ranked Monthly

Graph systems used for GraphRAG and to ground AI responses in structured knowledge. Monthly ranking by adoption, activity, community, and research.

Neo4j leads with a score of 88.8, followed by ArangoDB (76.7) and Memgraph (70.8) — 23 engines ranked, October 2026.

# 1mo Name Score Tier Type License Language Query Languages
1 = 88.8 Leader Property Graph GPL-3.0 Java CypherGQL
2 = 76.7 Leader Multiple BUSL-1.1 C++ AQL
3 = 70.8 Leader Property Graph BUSL-1.1 C++ openCypher
4 = 69.8 Leader Property Graph SSPL-1.0 C openCypher
5 = 68.4 Leader Other MPL-2.0 Rust TypeQL
6 = 65.8 Leader Multiple BUSL-1.1 Rust GQLGraphQLSurrealQL
7 = 65.4 Leader Multiple Apache-2.0 Java GraphQLGremlinSQL +1
8 = 63.7 Strong Other Apache-2.0 Rust HelixQL
9 = 61.1 Strong Multiple Proprietary C++ GremlinSPARQLopenCypher
10 = 57.0 Strong Property Graph Proprietary C++ GSQL
11 ▲2 55.7 Strong RDF Proprietary Java GraphQLSPARQLSQL
12 ▼1 54.1 Strong Multiple Proprietary C++ GremlinSQL
13 ▼1 51.0 Strong Property Graph Proprietary C++ GQLSQL/PGQ
14 ▲1 44.7 Growing Property Graph Proprietary - GremlinopenCypher
15 ▲3 44.5 Growing Other Proprietary Julia RelSQL
16 ▼2 44.4 Growing Property Graph Proprietary C++ GQLSQL/PGQ
17 ▼1 44.1 Growing RDF Proprietary Java SPARQL
18 ▼1 42.4 Growing Other Proprietary - Vadalog
19 ▲1 37.9 Growing Multiple BUSL-1.1 Rust SQLopenCypher
20 ▼1 37.5 Growing Property Graph Proprietary - GQL
21 = 33.8 Growing Multiple Proprietary Rust GQLopenCypher
22 = 26.3 Emerging Property Graph MIT Rust Custom APIopenCypher
23 = 9.4 Emerging Property Graph Elastic-2.0 Rust Custom API