What are some alternatives?
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Cloudways - Cloudways is a one-click managed cloud hosting platform that offers cloud application and server management solutions so that you can automate operations and manage your websites with ease, for as low as $10 only!
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
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.
Azure Web Apps - Create and deploy mission critical Web apps that scale with your business
XAMPP - XAMPP is a free and open-source cross-platform web server that is primarily used when locally developing web applications.