GDB-Engines Rankings
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SPARQL Graph Database Popularity Ranking

Ontop leads with a score of 65.5, followed by Apache Jena Fuseki (65.2) and QLever (63.7) — 39 engines ranked, May 2026.

# Name Score Tier Type License Language Query Languages
1 65.5 Strong RDF Apache-2.0 Java SPARQL
2 65.2 Strong RDF Apache-2.0 Java SPARQL
3 63.7 Strong RDF Apache-2.0 C++ SPARQL
4 62.5 Strong Multiple Proprietary - GremlinSPARQLopenCypher
5 57.6 Strong RDF MIT TypeScript GraphQLSPARQL
6 57.6 Strong Multiple GPL-2.0 C SPARQLSQL
7 57.3 Strong RDF Apache-2.0 OR MIT Rust SPARQL
8 57.3 Strong RDF Proprietary Java GraphQLSPARQLSQL
9 56.9 Strong RDF BSD-3-Clause Java SPARQL
10 56.4 Strong RDF BSD-3-Clause Python SPARQL
11 55.7 Strong RDF Proprietary Common Lisp PrologSPARQL
12 53.4 Strong RDF EPL-2.0 Rust FlureeQLGraphQLSPARQL
13 50.9 Strong Multiple Proprietary C++ SPARQLSQLXQuery
14 50.6 Strong Multiple Proprietary Java PGQLSPARQLSQL/PGQ
15 49.7 Growing RDF BSD-3-Clause C++ SPARQL
16 48.7 Growing RDF Proprietary Java SPARQL
17 46.1 Growing RDF Proprietary C++ SPARQL
18 45.5 Growing Other Proprietary C++ SPARQL
19 45.4 Growing RDF Artistic-2.0 Perl SPARQL
20 44.9 Growing RDF Artistic-2.0 Perl SPARQL
21 44.6 Growing RDF GPL-2.0 Java GremlinSPARQL
22 44.2 Growing RDF Proprietary - GraphQLSPARQL
23 43.5 Growing Multiple Apache-2.0 Rust CypherGQLGraphQL +3
24 42.2 Growing RDF MIT C# LINQSPARQL
25 42.1 Growing RDF GPL-3.0 C SPARQL
26 41.7 Growing RDF Proprietary - SPARQL
27 40.8 Growing RDF Apache-2.0 Java SPARQL
28 40.1 Growing RDF Proprietary C++ SPARQLopenCypher
29 39.9 Growing RDF LGPL-2.1 C SPARQL
30 38.6 Growing RDF Apache-2.0 Java SPARQL
31 38.5 Growing RDF Apache-2.0 Java SPARQL
32 36.6 Growing Multiple GPL-2.0 C++ GQLSPARQL
33 29.6 Emerging RDF MIT TypeScript SPARQL
34 29.4 Emerging RDF BSD-3-Clause Java SPARQL
35 21.9 Emerging RDF Apache-2.0 Java SPARQLiTQL
36 16.5 Emerging RDF Apache-2.0 Rust SPARQL
37 15.6 Emerging RDF MPL-2.0 Java GeoSPARQLSPARQLstSPARQL
38 15.6 Emerging RDF Proprietary C++ SPARQL
39 14.7 Emerging RDF GPL-3.0 C SPARQL