Neo4j vs QLever

Neo4j is a property graph database; QLever is a rdf database. Neo4j (2007, GPL-3.0, Java) ranks #1 this month; QLever (2017-11, Apache-2.0, C++) ranks #6.

Attribute Neo4j #1 = Leader QLever #6 ▼1 Leader
At a glance
Rank #1#6
Score 88.869.6
GitHub stars 17.3k920
Popularity 98.656.9
Activity 86.575.6
Community 73.868.0
Research 98.785.3
Fundamentals
Description 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.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 Neo4j IncUniversity of Freiburg
Model Property GraphRDF
Kind databasedatabase
Category EstablishedEmerging
First released 20072017-11
Status activeactive
License GPL-3.0Apache-2.0
Written in JavaC++
Query languages Cypher, GQLSPARQL
gdotv support yesyes

Feature scores — not surveyed for QLever

Feature Neo4jQLever
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 ·—