Neptune vs RyuGraph

Neptune is a multiple database; RyuGraph is a property graph database. Neptune (2017-11, Proprietary, C++) ranks #14 this month; RyuGraph (2025-10, MIT, C++) ranks #95.

Attribute Neptune #14 ▲2 Strong RyuGraph #95 ▼3 Growing
At a glance
Rank #14#95
Score 61.138.2
GitHub stars —147
Popularity 61.039.2
Activity 60.938.0
Community 61.830.3
Research 60.450.0
Fundamentals
Description 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).An embedded property graph database forked from Kuzu. Features columnar storage, ACID transactions, full-text search, and vector indices, targeting knowledge and context management for AI agents.
Vendor Amazon Web ServicesPredictable Labs
Model MultipleProperty Graph
Kind databasedatabase
Category EnterpriseEmerging
First released 2017-112025-10
Status activeactive
License ProprietaryMIT
Written in C++C++
Query languages Gremlin, SPARQL, openCypheropenCypher
gdotv support yesyes

Feature scores — not surveyed for RyuGraph

Feature NeptuneRyuGraph
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 ✓—