ChronoGraph vs Neo4j

Both are property graph databases. ChronoGraph (2017-02, AGPL-3.0, Java) ranks #150 this month; Neo4j (2007, GPL-3.0, Java) ranks #1. They differ on 28 of 46 surveyed features.

Attribute ChronoGraph #150 ▼5 Emerging Neo4j #1 = Leader
At a glance
Rank #150#1
Score 11.988.8
GitHub stars 5417.3k
Popularity 32.398.6
Activity 34.986.5
Community 30.373.8
Research —98.7
Fundamentals
Description A TinkerPop-compliant embedded graph database with system-time content versioning. Implemented as a temporally-enhanced key-value store using B-tree structures, enabling historical graph queries and analysis.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 —Neo4j Inc
Model Property GraphProperty Graph
Kind embeddeddatabase
Category EmergingEstablished
First released 2017-022007
Status inactive — Last meaningful commit several years ago. Minimal community.active
License AGPL-3.0GPL-3.0
Written in JavaJava
Query languages GremlinCypher, GQL
gdotv support noyes

Feature scores 28 of 46 rows differ

Feature ChronoGraphNeo4j
Community & Business
Active development 0.25✓
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 ✓✓
SaaS offering ✓✓
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 0.25✓
Binary protocol 0.75✓
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 ··