ChronoGraph vs Memgraph

Both are property graph databases. ChronoGraph (2017-02, AGPL-3.0, Java) ranks #145 this month; Memgraph (2020-05, BUSL-1.1, C++) ranks #5. They differ on 29 of 46 surveyed features.

Attribute ChronoGraph #145 ▲5 Emerging Memgraph #5 ▲1 Strong
At a glance
Rank #145#5
Score 14.064.6
GitHub stars 544.5k
Popularity 34.367.0
Activity 27.982.1
Community 41.161.0
Research 61.1
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 ··