ChronoGraph vs Memgraph

Both are property graph databases. ChronoGraph (2017-02, AGPL-3.0, Java) ranks #150 this month; Memgraph (2020-05, BUSL-1.1, C++) ranks #4. They differ on 29 of 46 surveyed features.

Attribute ChronoGraph #150 ▼5 Emerging Memgraph #4 = Leader
At a glance
Rank #150#4
Score 11.970.8
GitHub stars 544.6k
Popularity 32.372.8
Activity 34.980.9
Community 30.361.0
Research —62.6
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.An in-memory property graph database with ACID transactions and strong consistency. Includes the MAGE library of graph algorithms and supports real-time streaming ingestion.
Vendor —Memgraph
Model Property GraphProperty Graph
Kind embeddeddatabase
Category EmergingEnterprise
First released 2017-022020-05
Status inactive — Last meaningful commit several years ago. Minimal community.active
License AGPL-3.0BUSL-1.1
Written in JavaC++
Query languages GremlinopenCypher
gdotv support noyes

Feature scores 29 of 46 rows differ

Feature ChronoGraphMemgraph
Community & Business
Active development 0.25✓
Commercial support ·✓
Live community ·0.5
Open Source ✓·
Pricing ··
Trendiness ·0.25
Deployment
Containerization ·✓
Work as dedicated instance ·✓
Work as embedded ✓·
Testing in-memory version ·0.75
Platform
Operating on Linux ✓✓
Operating on Windows ✓0.5
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 0.250.75
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 0.50.75
Secondary indexes ✓✓
Server side procedures ·✓
Triggers ·✓
Authentication ·✓
Authorization ·✓
Data encryption ··