Neptune vs pgGraph

Neptune is a multiple database; pgGraph is a property graph database. Neptune (2017-11, Proprietary, C++) ranks #14 this month; pgGraph (2026-05, Apache-2.0, Rust) ranks #136.

Attribute Neptune #14 ▲2 Strong pgGraph #136 ▼10 Emerging
At a glance
Rank #14#136
Score 61.121.2
GitHub stars —1.1k
Popularity 61.043.5
Activity 60.946.8
Community 61.851.0
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).A PostgreSQL extension that adds graph search, bounded traversal, and shortest-path queries over ordinary tables through SQL functions in a graph schema. Builds a derived in-memory graph index while PostgreSQL tables remain the source of truth, with no new query language.
Vendor Amazon Web ServicesEvokoa
Model MultipleProperty Graph
Kind databaseextension
Category EnterpriseEmerging
First released 2017-112026-05
Status activeactive
License ProprietaryApache-2.0
Written in C++Rust
Query languages Gremlin, SPARQL, openCypherSQL
gdotv support yesno

Feature scores — not surveyed for pgGraph

Feature NeptunepgGraph
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 ✓—