AWS Lambda - Automatic, event-driven compute service
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
Now Platform - Get native platform intelligence, so you can predict, prioritize, and proactively manage the work that matters most with the NOW Platform from ServiceNow.
Google Cloud Functions - A serverless platform for building event-based microservices.
AWS Elastic Beanstalk - Quickly deploy and manage applications in the AWS cloud.