OrientDB OrientDB - The World’s First Distributed Multi-Model NoSQL Database with a Graph Database Engine. 20 Alternatives To OrientDB Amazon DynamoDB Amazon DynamoDB is a fully managed NoSQL database service offered by Amazon. Amazon Neptune Amazon Neptune is a fully managed graph database service that works with highly connected datasets. Learn about the benefits and popular use cases. ArangoDB A distributed open-source database with a flexible data model for documents, graphs, and key-values. Azure Cosmos DB NoSQL JSON database for rapid, iterative app development. Cassandra Manage a massive range of data fast and without losing. Cayley Open-source graph database. CouchBase Document-Oriented NoSQL Database CouchDB HTTP + JSON document database with Map Reduce views and peer-based replication Flockdb FlockDB is a distributed graph database for storing adjancency lists, with goals of supporting high rate of add/update/remove operations. HyperGraphDB HyperGraphDB is a general purpose, open-source data storage mechanism based on a powerful knowledge management formalism known as directed hypergraphs. MariaDB An enhanced, drop-in replacement for MySQL MySQL The world’s most popular open source database Oracle DBaaS See how Oracle Database 12c enables businesses to plug into the cloud and power the real-time enterprise. PostgreSQL PostgreSQL is a powerful, open source object-relational database system. Postgres An object-relational database system that boasts a vast set of features and a growing community. Redis Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability. Redis Enterprise Redis Enterprise in-memory database platform for real-time applications RethinkDB The open-source database for the realtime web SQLite SQLite Home Page neo4j Meet Neo4j: The graph database platform powering today’s mission-critical enterprise applications, including artificial intelligence, fraud detection and recommendations.