Halyard vs Neptune

Halyard is a rdf database; Neptune is a multiple database. Halyard (2016-11, Apache-2.0, Java) ranks #92 this month; Neptune (2017-11, Proprietary, C++) ranks #14.

Attribute Halyard #92 ▼5 Growing Neptune #14 ▲2 Strong
At a glance
Rank #92#14
Score 38.761.1
GitHub stars 114—
Popularity 43.461.0
Activity 34.060.9
Community 54.161.8
Research —60.4
Fundamentals
Description An RDF triple store built on Apache HBase and Hadoop using the Eclipse RDF4J framework. Distributes triple storage across an HBase cluster with support for named graphs and SPARQL 1.1 federation.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 MerckAmazon Web Services
Model RDFMultiple
Kind databasedatabase
Category EmergingEnterprise
First released 2016-112017-11
Status inactive — No development activity since mid-2022.active
License Apache-2.0Proprietary
Written in JavaC++
Query languages SPARQLGremlin, SPARQL, openCypher
gdotv support noyes

Feature scores — not surveyed for Halyard

Feature HalyardNeptune
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 —✓