Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Heroku - Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.
Salesforce Platform - Salesforce Platform is a comprehensive PaaS solution that paves the way for the developers to test, build, and mitigate the issues in the cloud application before the final deployment.
DigitalOcean - Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.
AWS Lambda - Automatic, event-driven compute service
Cloudways - Cloudways is a managed hosting platform for PHP based application including WordPress, Magento, WooCommerce or a custom-built site.Experience fast performance, reliability, security with 24/7 support.