Kowari vs Neo4j

Kowari is a rdf database; Neo4j is a property graph database. Kowari (2003-10, MPL-1.1, Java) ranks #124 this month; Neo4j (2007, GPL-3.0, Java) ranks #1.

Attribute Kowari #124 new Emerging Neo4j #1 = Leader
At a glance
Rank #124#1
Score 27.088.8
GitHub stars —17.4k
Popularity —98.6
Activity —86.5
Community 34.673.8
Research 50.198.7
Fundamentals
Description An RDF triple store written in Java with its own iTQL query language and Lucene full-text indexing, open-sourced by Tucana Technologies from the storage layer of its commercial knowledge server. Development stopped after Northrop Grumman acquired Tucana's assets in 2005; continued as the Mulgara fork.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 Tucana TechnologiesNeo4j Inc
Model RDFProperty Graph
Kind databasedatabase
Category EmergingEstablished
First released 2003-102007
Status deprecated — No longer developed. Continued as the Mulgara fork from 2005.active
License MPL-1.1GPL-3.0
Written in JavaJava
Query languages iTQLCypher, GQL
gdotv support noyes

Feature scores — not surveyed for Kowari

Feature KowariNeo4j
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 —·