ArcadeDB vs QLever

ArcadeDB is a multiple database; QLever is a rdf database. ArcadeDB (2021-09, Apache-2.0, Java) ranks #9 this month; QLever (2017-11, Apache-2.0, C++) ranks #6.

Attribute ArcadeDB #9 ▲1 Leader QLever #6 ▼1 Leader
At a glance
Rank #9#6
Score 65.469.6
GitHub stars 1.2k927
Popularity 54.756.9
Activity 76.875.6
Community 59.068.0
Research 74.785.3
Fundamentals
Description A multi-model database inspired by OrientDB, supporting graphs, documents, key-value, time-series, and search. Uses RAFT-based replication for high availability.A SPARQL engine capable of querying very large knowledge graphs (including complete Wikidata) on a single machine. Implements full SPARQL 1.1 with autocompletion and text search.
Vendor ArcadeDBUniversity of Freiburg
Model MultipleRDF
Kind databasedatabase
Category GrowingEmerging
First released 2021-092017-11
Status activeactive
License Apache-2.0Apache-2.0
Written in JavaC++
Query languages SQL, openCypher, Gremlin, GraphQLSPARQL
gdotv support yesyes

Feature scores — not surveyed for QLever

Feature ArcadeDBQLever
Community & Business
Active development ✓—
Commercial support ✓—
Live community ✓—
Open Source ✓—
Pricing ✓—
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 ✓—