JanusGraph vs Stardog

JanusGraph is a property graph database; Stardog is a rdf database. JanusGraph (2017-04, Apache-2.0, Java) ranks #31 this month; Stardog (2011, Proprietary, Java) ranks #23. They differ on 21 of 46 surveyed features.

Attribute JanusGraph #31 ▼4 Strong Stardog #23 ▲10 Strong
At a glance
Rank #31#23
Score 53.455.7
GitHub stars 5.9k—
Popularity 72.753.2
Activity 42.363.1
Community 36.652.9
Research 64.750.2
Fundamentals
Description An open-source distributed property graph database forked from the Titan codebase. Supports pluggable storage backends (Cassandra, HBase, BerkeleyDB) with ACID transactions and native TinkerPop integration.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 The Linux FoundationStardog Union
Model Property GraphRDF
Kind databasedatabase
Category EstablishedEnterprise
First released 2017-042011
Status activeactive
License Apache-2.0Proprietary
Written in JavaJava
Query languages GremlinSPARQL, SQL, GraphQL
gdotv support yesyes

Feature scores 21 of 46 rows differ

Feature JanusGraphStardog
Community & Business
Active development ✓0.5
Commercial support ·✓
Live community ✓✓
Open Source ✓·
Pricing ✓·
Trendiness 0.5✓
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 0.75✓
Binary protocol ✓·
CLI ✓✓
GUI ·✓
Data Model
Multi-database ✓✓
Graph-native data ✓·
REST API ✓✓
Query Language ✓✓
Transactions
Granular locking 0.5✓
Multiple isolation levels 0.5✓
Read committed transaction 0.5·
Transaction support ✓✓
Schema & Security
Constraints ✓✓
Schema support ✓✓
Secondary indexes ✓✓
Server side procedures ·✓
Triggers 0.5·
Authentication ✓✓
Authorization ✓✓
Data encryption ··