Datomic - The fully transactional, cloud-ready, distributed database
Parse - Build applications faster with object and file storage, user authentication, push notifications, dashboard and more out of the box.
Datahike - A durable datalog database adaptable for distribution.
Firebase - Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Oracle TimesTen - TimesTen is an in-memory, relational database management system with persistence and...
Azure Mobile Apps - Build engaging cross-platform and native apps for iOS, Android, Windows or Mac with Azure's Mobile App Service.