Amazon DynamoDB - Amazon DynamoDB is a fully managed NoSQL database service offered by Amazon.
Micro Focus Content Manager - Micro Focus Content Manager is an easy-to-use document and records management system that helps capture, manage, and secure business information, whether it’s digital or physical data.
MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
Objective ECM - Objective ECM is a secure and reliable Enterprise Content Management software that empowers users to manage their content and build powerful business processes.
memcached - High-performance, distributed memory object caching system
Google Cloud Datastore - Cloud Datastore is a NoSQL database for your web and mobile applications.