Duck RDF vs Neo4j

Duck RDF is a rdf database; Neo4j is a property graph database. Duck RDF (2025-08, MIT, C++) is not ranked this month; Neo4j (2007, GPL-3.0, Java) ranks #1.

Attribute Duck RDF Neo4j #1 = Leader
At a glance
Rank — Not ranked#1
Score 78.8
GitHub stars 3017.2k
Popularity 93.8
Activity 82.8
Community 77.2
Research 98.6
Fundamentals
Description An RDF extension for DuckDB that reads, writes, profiles, and queries RDF serializations through a columnar schema, with SPARQL and R2RML/YARRRML mapping support.A property graph database that stores data as fixed-size records in linked lists for index-free adjacency traversal. Offers community and commercial editions with an extensive graph algorithms library.
Vendor Dan BennettNeo4j Inc
Model RDFProperty Graph
Kind extensiondatabase
Category EmergingEstablished
First released 2025-082007
Status activeactive
License MITGPL-3.0
Written in C++Java
Query languages SPARQLCypher, GQL
gdotv support noyes

Feature scores — not surveyed for Duck RDF

Feature Duck RDFNeo4j
Community & Business
Active development
Commercial support
Live community
Open Source
Pricing 0.5
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
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 ·