ArangoDB database is an open-source NoSQL solution with a flexible data model for documents, graphs, and key-values.



Stardog Cloud is described as 'A complete Enterprise Knowledge Graph platform provided as a managed service. Whether you are new to Knowledge Graphs, or a seasoned expert, we have the right option for each step of your journey. No muss, no fuss, no installation' and is an website. There are eight alternatives to Stardog Cloud, not only websites but also apps for a variety of platforms, including Linux, Mac, Windows and SaaS apps. The best Stardog Cloud alternative is ArangoDB, which is free. Other great sites and apps similar to Stardog Cloud are neo4j, QLever, Titan Database and Blazegraph.
ArangoDB database is an open-source NoSQL solution with a flexible data model for documents, graphs, and key-values.



You can think of Neo4j as a high-performance graph engine with all the features of a mature and robust database.




Very fast SPARQL Engine, which can handle very large knowledge graphs, offers context-sensitive autocompletion for SPARQL queries, and allows combination with text search.

Titan is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. Titan is a transactional database that can support thousands of concurrent users executing complex graph...
SPARQL and Gremlin compatible graph database that supports 50 million+ triples and powers Wikidata and Wikibase
Nebula Graph is an open-source graph database capable of hosting super large-scale graphs with billions of vertices (nodes) and trillions of edges, with milliseconds of latency. It delivers enterprise-grade high performance to simplify the most complex data sets imaginable into...
The Document-Graph database supports SQL and Native Queries, asynchronous commands, intents, and much more.


Timbr is an ontology-based semantic layer used by leading enterprises to make faster, better decisions with AI-ready knowledge. It transforms fragmented structured data into a unified, SQL-queryable knowledge graph that makes relationships, metrics, and business context...



