Eclipse RDF4J vs Stardog

Both are rdf databases queried with SPARQL. Eclipse RDF4J (2002, BSD-3-Clause, Java) ranks #27 this month; Stardog (2011, Proprietary, Java) ranks #23.

Attribute Eclipse RDF4J #27 ▼4 Strong Stardog #23 ▲10 Strong
At a glance
Rank #27#23
Score 54.555.7
GitHub stars 423—
Popularity 57.453.2
Activity 68.463.1
Community 36.752.9
Research 50.550.2
Fundamentals
Description A Java-based RDF framework and triple store supporting both in-memory and persistent storage. Provides SPARQL query endpoints over HTTP and a pluggable storage architecture (SAIL API) used by other triple store implementations including Ontotext GraphDB.An RDF-based knowledge graph database with OWL 2 reasoning and property graph extensions. Includes Voicebox, an OpenAI-compatible natural language query interface via LLM integration.
Vendor Eclipse FoundationStardog Union
Model RDFRDF
Kind databasedatabase
Category EstablishedEnterprise
First released 20022011
Status activeactive
License BSD-3-ClauseProprietary
Written in JavaJava
Query languages SPARQLSPARQL, SQL, GraphQL
gdotv support yesyes

Feature scores — not surveyed for Eclipse RDF4J

Feature Eclipse RDF4JStardog
Community & Business
Active development —0.5
Commercial support —✓
Live community —✓
Open Source —·
Pricing —·
Trendiness —✓
Deployment
Containerization —✓
Work as dedicated instance —✓
Work as embedded —·
Testing in-memory version —·
Platform
Operating on Linux —✓
Operating on Windows —·
SaaS offering —✓
Operations
Automatic updates —·
Client side caching —·
Data versioning support —·
Live backups —✓
Distribution
Cluster Re-balancing —·
Data Distribution —·
High-Availability —✓
Query Distribution —✓
Replication support —✓
Developer Experience
Data types defined —0.5
Logging/Auditing —✓
Object-Graph Mapper —·
Reactive programming —✓
Documentation up-to-date —✓
Binary protocol —·
CLI —✓
GUI —✓
Data Model
Multi-database —✓
Graph-native data —·
REST API —✓
Query Language —✓
Transactions
Granular locking —✓
Multiple isolation levels —✓
Read committed transaction —·
Transaction support —✓
Schema & Security
Constraints —✓
Schema support —✓
Secondary indexes —✓
Server side procedures —✓
Triggers —·
Authentication —✓
Authorization —✓
Data encryption —·