Document Databases

Amazon DynamoDB is a fully managed, serverless NoSQL database service that supports both document and key-value store models.

Azure Cosmos DB is a fully managed NoSQL database for modern app development, offering multi-model APIs including document, key-value, graph, and column-family.

Cloud Firestore is a flexible, scalable NoSQL cloud database for mobile, web, and server development from Google Cloud and Firebase.

Couchbase offers a cloud-native, distributed NoSQL document database that combines the best of NoSQL with the power and familiarity of SQL.

DataStax provides Astra DB, a cloud-native, serverless database-as-a-service built on Apache Cassandra, with strong JSON document capabilities.

Neo4j AuraDB is a fully managed cloud graph database for building intelligent applications with relationships and connections.

IBM Cloudant is a distributed NoSQL document database as a service (DBaaS) based on Apache CouchDB.

ArangoDB Oasis provides a fully managed, multi-model NoSQL database service, supporting document, graph, and key-value data models.

RavenDB is a NoSQL document database optimized for high performance and integrity, supporting ACID transactions across a cluster.