DynamoDB - Amazon DynamoDB is a fast and flexible NoSQL database service for all applications that need consistent, single-digit millisecond latency at any scale. It is a fully managed cloud database and supports both document and key-value store models.
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Datomic - The fully transactional, cloud-ready, distributed database
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
MarkLogic Server - MarkLogic Server is a multi-model database that has both NoSQL and trusted enterprise data management capabilities.
Google Cloud Functions - A serverless platform for building event-based microservices.