NebulaGraph vs Neo4j

Both are property graph databases. NebulaGraph (2019-05, Apache-2.0, C++) ranks #35 this month; Neo4j (2007, GPL-3.0, Java) ranks #1. They differ on 15 of 46 surveyed features.

Attribute NebulaGraph #35 ▲2 Strong Neo4j #1 = Leader
At a glance
Rank #35#1
Score 50.488.8
GitHub stars 12.4k17.4k
Popularity 75.598.6
Activity 34.686.5
Community 37.973.8
Research 52.898.7
Fundamentals
Description A distributed property graph database with separated storage and computation layers, enabling horizontal scaling. Uses a custom SQL-like query language (nGQL) and supports ACID transactions.A property graph database that stores data as fixed-size records in linked lists for index-free adjacency traversal. Offers community and commercial editions with an extensive graph algorithms library.
Vendor VesoftNeo4j Inc
Model Property GraphProperty Graph
Kind databasedatabase
Category EstablishedEstablished
First released 2019-052007
Status activeactive
License Apache-2.0GPL-3.0
Written in C++Java
Query languages nGQLCypher, GQL
gdotv support noyes

Feature scores 15 of 46 rows differ

Feature NebulaGraphNeo4j
Community & Business
Active development ✓✓
Commercial support ✓✓
Live community ✓✓
Open Source ✓✓
Pricing ·0.5
Trendiness ·✓
Deployment
Containerization ✓✓
Work as dedicated instance ✓✓
Work as embedded ·✓
Testing in-memory version ·✓
Platform
Operating on Linux ✓✓
Operating on Windows 0.5✓
SaaS offering 0.5✓
Operations
Automatic updates ··
Client side caching ··
Data versioning support ··
Live backups ✓✓
Distribution
Cluster Re-balancing ✓·
Data Distribution ✓✓
High-Availability ✓✓
Query Distribution ✓✓
Replication support ✓✓
Developer Experience
Data types defined ✓✓
Logging/Auditing ✓✓
Object-Graph Mapper ·✓
Reactive programming ·✓
Documentation up-to-date ✓✓
Binary protocol ✓✓
CLI ✓✓
GUI ✓✓
Data Model
Multi-database ·✓
Graph-native data ✓✓
REST API 0.5✓
Query Language ·✓
Transactions
Granular locking ·✓
Multiple isolation levels ·✓
Read committed transaction ✓✓
Transaction support ✓✓
Schema & Security
Constraints ·✓
Schema support ✓✓
Secondary indexes ✓✓
Server side procedures ✓✓
Triggers ✓✓
Authentication ✓✓
Authorization ✓✓
Data encryption ··