Graph Databases
Graph databases model relationships as first-class entities, making them suited for social networks, fraud detection, knowledge graphs, and recommendation engines. The category is niche but growing, with European providers offering both managed services and self-hosted options. Query language support — Cypher, Gremlin, SPARQL — is a key differentiator.
🇩🇪
ArangoDB
Cologne
See website
Free
GDPR
Multi-Model
Open-Source
🇫🇷
Elestio
Paris
€20/mo
managed-neo4j
managed-arangodb
open-source-hosting
GDPR
🇭🇷
Memgraph
Zagreb
See website
Free
GDPR
Open-Source
Neo4j-Compatible
🇧🇬
Ontotext
Sofia
Contact sales
Free
knowledge-graph
RDF
SPARQL
semantic-web
enterprise
🇮🇪
TerminusDB
Dublin
€0/mo
Free
graph-database
version-control
open-source
collaboration