DuckGQL vs Neptune

DuckGQL is a property graph database; Neptune is a multiple database. DuckGQL (2026-07, MIT, C++) is not ranked this month; Neptune (2017-11, Proprietary, C++) ranks #7.

Attribute DuckGQL Neptune #7 = Strong
At a glance
Rank — Not ranked#7
Score 63.3
GitHub stars 49
Popularity 67.3
Activity 99.0
Community 53.9
Research 59.1
Fundamentals
Description A DuckDB extension that adds a subset of ISO/IEC 39075:2024 GQL for querying and mutating property graphs stored in DuckDB tables, with graph imports, DuckLake mappings, and CSR-based graph algorithms.A fully managed graph database service from AWS supporting both property graph and RDF models. Available as Neptune Database (for transactional workloads) and Neptune Analytics (for analytical queries).
Vendor Rahul IyerAmazon Web Services
Model Property GraphMultiple
Kind extensiondatabase
Category EmergingEnterprise
First released 2026-072017-11
Status activeactive
License MITProprietary
Written in C++C++
Query languages GQLGremlin, SPARQL, openCypher
gdotv support noyes

Feature scores — not surveyed for DuckGQL

Feature DuckGQLNeptune
Community & Business
Active development
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 0.5
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 0.5
Secondary indexes
Server side procedures ·
Triggers ·
Authentication
Authorization
Data encryption