SPARQL Graph Databases, Ranked Monthly

SPARQL graph databases, ranked monthly by adoption, activity, community and research signals.

QLever leads with a score of 71.7, followed by Oxigraph (63.4) and Neptune (63.0) — 41 engines ranked, October 2026.

# 1mo Name Score Tier Type License Language Query Languages
1 = 71.7 Leader RDF Apache-2.0 C++ SPARQL
2 = 63.4 Strong RDF Apache-2.0 OR MIT Rust SPARQL
3 ▲1 63.0 Strong Multiple Proprietary C++ GremlinSPARQLopenCypher
4 ▲1 59.4 Strong RDF Apache-2.0 Java SPARQL
5 ▼2 59.0 Strong RDF Apache-2.0 Java SPARQL
6 = 57.6 Strong RDF BSD-3-Clause Python SPARQL
7 = 56.9 Strong RDF BSD-3-Clause Java SPARQL
8 = 56.5 Strong RDF MIT TypeScript GraphQLSPARQL
9 ▲1 56.3 Strong RDF Proprietary Java GraphQLSPARQLSQL
10 ▼1 55.6 Strong RDF BUSL-1.1 Rust FlureeQLGraphQLSPARQL
11 = 52.1 Strong Multiple GPL-2.0 C SPARQLSQL
12 ▲1 51.6 Strong Multiple Proprietary C++ SPARQLSQLXQuery
13 ▼1 51.2 Strong RDF Proprietary Common Lisp PrologSPARQL
14 = 51.0 Strong Multiple Proprietary Java PGQLSPARQLSQL/PGQ
15 ▲8 48.2 Growing Multiple Apache-2.0 Rust GQLGraphQLGremlin +3
16 = 46.4 Growing RDF BSD-3-Clause C++ SPARQL
17 ▲1 46.4 Growing RDF Proprietary Java SPARQL
18 ▼1 46.4 Growing RDF LGPL-2.1 OR GPL-2.0 OR Apache-2.0 C SPARQL
19 ▼4 46.2 Growing RDF Proprietary C++ SPARQL
20 ▼1 45.1 Growing RDF Artistic-1.0-Perl OR GPL-1.0-or-later Perl SPARQL
21 = 42.3 Growing RDF GPL-3.0 C SPARQL
22 ▼2 42.2 Growing RDF GPL-2.0 Java GremlinSPARQL
23 ▼1 42.0 Growing RDF MIT C# LINQSPARQL
24 = 40.9 Growing RDF Apache-2.0 Java SPARQL
25 = 40.4 Growing RDF Proprietary C++ SPARQLopenCypher
26 ▲7 40.4 Growing RDF Proprietary - SPARQL
27 ▼1 39.9 Growing Multiple GPL-2.0 C++ GQLSPARQL
28 ▼1 39.2 Growing RDF Proprietary Common Lisp GraphQLSPARQL
29 ▼1 38.3 Growing RDF Apache-2.0 Java SPARQL
30 ▼1 37.7 Growing RDF Apache-2.0 Java SPARQL
31 ▼1 36.6 Growing RDF GPL-1.0-or-later OR Artistic-1.0-Perl Perl SPARQL
32 ▼1 35.7 Growing RDF MIT C++ SPARQL
33 ▼1 33.6 Growing Other Proprietary C++ SPARQL
34 = 30.0 Growing RDF MIT TypeScript SPARQL
35 = 29.0 Emerging RDF BSD-3-Clause C++ SPARQL
36 = 21.8 Emerging RDF OSL-3.0 Java SPARQLiTQL
37 = 17.9 Emerging RDF Proprietary C++ SPARQL
38 = 16.6 Emerging RDF MPL-2.0 Java GeoSPARQLSPARQLstSPARQL
39 = 15.6 Emerging RDF Apache-2.0 Rust SPARQL
40 = 15.3 Emerging RDF GPL-3.0 C SPARQL
41 new 11.0 Emerging RDF MIT OR Apache-2.0 Rust SPARQLopenCypher