NebulaGraph vs Stardog

NebulaGraph is a property graph database; Stardog is a rdf database. NebulaGraph (2019-05, Apache-2.0, C++) ranks #35 this month; Stardog (2011, Proprietary, Java) ranks #23. They differ on 19 of 46 surveyed features.

Attribute NebulaGraph #35 ▲2 Strong Stardog #23 ▲10 Strong
At a glance
Rank #35#23
Score 50.455.7
GitHub stars 12.5k—
Popularity 75.553.2
Activity 34.663.1
Community 37.952.9
Research 52.850.2
Fundamentals
Description A distributed property graph database with separated storage and computation layers, enabling horizontal scaling. Uses a custom SQL-like query language (nGQL) and supports ACID transactions.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 VesoftStardog Union
Model Property GraphRDF
Kind databasedatabase
Category EstablishedEnterprise
First released 2019-052011
Status activeactive
License Apache-2.0Proprietary
Written in C++Java
Query languages nGQLSPARQL, SQL, GraphQL
gdotv support noyes

Feature scores 19 of 46 rows differ

Feature NebulaGraphStardog
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 0.5·
SaaS offering 0.5✓
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 0.5✓
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 ··