CogDB vs Memgraph

CogDB is a rdf database; Memgraph is a property graph database. CogDB (2018-07, MIT, Python) ranks #123 this month; Memgraph (2020-05, BUSL-1.1, C++) ranks #4. They differ on 32 of 46 surveyed features.

Attribute CogDB #123 ▼2 Emerging Memgraph #4 = Leader
At a glance
Rank #123#4
Score 27.570.8
GitHub stars 4024.6k
Popularity 41.172.8
Activity 67.680.9
Community 30.361.0
Research 50.062.6
Fundamentals
Description An embedded graph database for Python with built-in persistence, traversal, and semantic vector search. It runs entirely in-process, stores graph data as triples, and exposes Torque, a Python-native API for querying relationships.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 NodeFn Inc.Memgraph
Model RDFProperty Graph
Kind embeddeddatabase
Category EmergingEnterprise
First released 2018-072020-05
Status activeactive
License MITBUSL-1.1
Written in PythonC++
Query languages Custom APIopenCypher
gdotv support noyes

Feature scores 32 of 46 rows differ

Feature CogDBMemgraph
Community & Business
Active development ✓✓
Commercial support ·✓
Live community 0.50.5
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 0.750.5
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 0.5·
Logging/Auditing ·✓
Object-Graph Mapper ·✓
Reactive programming ··
Documentation up-to-date ✓0.75
Binary protocol ·✓
CLI ·✓
GUI ·✓
Data Model
Multi-database ··
Graph-native data ✓✓
REST API ✓·
Query Language 0.5✓
Transactions
Granular locking ··
Multiple isolation levels ··
Read committed transaction ·✓
Transaction support ·✓
Schema & Security
Constraints ·✓
Schema support ·0.75
Secondary indexes ·✓
Server side procedures ·✓
Triggers ·✓
Authentication ·✓
Authorization ·✓
Data encryption ··