Kowari vs OrientDB

Kowari is a rdf database; OrientDB is a multiple database. Kowari (2003-10, MPL-1.1, Java) ranks #158 this month; OrientDB (2010, Apache-2.0, Java) ranks #8.

Attribute Kowari #158 ▼3 Emerging OrientDB #8 ▲2 Strong
At a glance
Rank #158#8
Score 20.660.1
GitHub stars —5k
Popularity —81.5
Activity —55.9
Community 38.039.4
Research 28.859.9
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 distributed multi-model database combining graph and document models with TinkerPop support. Features sharding for horizontal scaling and ACID transactions.
Vendor Tucana TechnologiesOrientDB Community
Model RDFMultiple
Kind databasedatabase
Category EmergingEnterprise
First released 2003-102010
Status deprecated — No longer developed. Continued as the Mulgara fork from 2005.active
License MPL-1.1Apache-2.0
Written in JavaJava
Query languages iTQLSQL, Gremlin
gdotv support nono

Feature scores — not surveyed for Kowari

Feature KowariOrientDB
Community & Business
Active development —✓
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 —✓
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 —0.5
Replication support —✓
Developer Experience
Data types defined —✓
Logging/Auditing —✓
Object-Graph Mapper —·
Reactive programming —·
Documentation up-to-date —0.5
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 —✓