MillenniumDB vs Neo4j

MillenniumDB is a multiple database; Neo4j is a property graph database. MillenniumDB (2021, GPL-2.0, C++) ranks #91 this month; Neo4j (2007, GPL-3.0, Java) ranks #1.

Attribute MillenniumDB #91 ▼3 Growing Neo4j #1 = Leader
At a glance
Rank #91#1
Score 38.888.8
GitHub stars 26717.3k
Popularity 40.198.6
Activity 51.186.5
Community 30.373.8
Research 56.598.7
Fundamentals
Description An open-source, multi-model graph database supporting property graphs, RDF, and a multilayered graph format. Built on relational storage techniques and worst-case optimal join algorithms, with query support via SPARQL 1.1, GQL, and a proprietary Cypher-like language.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 IMFD ChileNeo4j Inc
Model MultipleProperty Graph
Kind databasedatabase
Category EmergingEstablished
First released 20212007
Status activeactive
License GPL-2.0GPL-3.0
Written in C++Java
Query languages GQL, SPARQLCypher, GQL
gdotv support noyes

Feature scores — not surveyed for MillenniumDB

Feature MillenniumDBNeo4j
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 —✓
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 —✓
Binary protocol —✓
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 —✓
Secondary indexes —✓
Server side procedures —✓
Triggers —✓
Authentication —✓
Authorization —✓
Data encryption —·