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



neo4j is described as 'You can think of Neo4j as a high-performance graph engine with all the features of a mature and robust database' and is an app. There are more than 25 alternatives to neo4j for a variety of platforms, including Linux, Mac, Windows, Self-Hosted and SaaS apps. The best neo4j alternative is ArangoDB, which is free. Other great apps like neo4j are SurrealDB, FalkorDB, Wikibase and NetworkX.
ArangoDB database is an open-source NoSQL solution with a flexible data model for documents, graphs, and key-values.



With an SQL-style query language, real-time queries with highly-efficient related data retrieval, advanced security permissions for multi-tenant access, and support for performant analytical workloads, SurrealDB is the next generation serverless database.

A super fast Graph Database uses GraphBLAS under the hood for its sparse adjacency matrix graph representation. Our goal is to provide the best Knowledge Graph for LLM (GraphRAG).

Wikibase is the software that runs Wikidata, but is also usable for other projects beyond that. Wikibase allows the collaborative editing of structured data on top of MediaWiki. It is optimized for graph-like, schema-poor data, not for tabular and strongly pre-structured data.
NetworkX is a Python language software package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks.

Amazon DynamoDB is a fully managed NoSQL database service offered by Amazon.com as part of the Amazon Web Services portfolio. It was announced by Amazon CTO Werner Vogels on January 18, 2012.OverviewDynamoDB differs from other Amazon services by allowing developers to purchase a...

Amazon Neptune is a fast, reliable, fully managed graph database service that makes it easy to build and run applications that work with highly connected datasets.

GraphStack ™ is the name for the Neo4j Enterprise open source distributions compiled and packaged from the official Neo4j Github Repository by the Graph stack.io Team.
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...
Very fast SPARQL Engine, which can handle very large knowledge graphs, offers context-sensitive autocompletion for SPARQL queries, and allows combination with text search.

SPARQL and Gremlin compatible graph database that supports 50 million+ triples and powers Wikidata and Wikibase
RedisGraph is a property graph database module for Redis. It is the first graph database to use linear algebra on sparse adjacency matrices to implement graph operations, which lets it achieve high performance. It understands OpenCypher queries.