Neptune vs NornicDB
Neptune is a multiple database; NornicDB is a property graph database. Neptune (2017-11, Proprietary, C++) ranks #14 this month; NornicDB (2025-12, MIT, Go) ranks #41.
| Attribute | Neptune | NornicDB |
|---|---|---|
| At a glance | ||
| Rank | #14 | #41 |
| Score | 61.1 | 49.3 |
| GitHub stars | — | 919 |
| Popularity | 61.0 | 50.3 |
| Activity | 60.9 | 64.0 |
| Community | 61.8 | 30.3 |
| Research | 60.4 | 50.0 |
| 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 hybrid graph and vector database written in Go with Neo4j compatibility via the Bolt protocol. Supports Cypher queries, native vector search with GPU acceleration, and a tiered memory system with episodic, semantic, and procedural decay. Includes a versioned graph ledger with temporal validity and as-of reads. |
| Vendor | Amazon Web Services | orneryd |
| Model | Multiple | Property Graph |
| Kind | database | database |
| Category | Enterprise | Emerging |
| First released | 2017-11 | 2025-12 |
| Status | active | active |
| License | Proprietary | MIT |
| Written in | C++ | Go |
| Query languages | Gremlin, SPARQL, openCypher | openCypher, GraphQL |
| gdotv support | yes | no |
Feature scores — not surveyed for NornicDB
| Feature | Neptune | NornicDB |
|---|---|---|
| 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 | ✓ | — |
Links
- Neptune · website · full profile
- NornicDB · website · github · full profile