What are some alternatives?
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
HelioHost - Community powered free hosting for everyone.
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.
000webhost - Zero cost website hosting with PHP, MySQL, Cpanel & no ads!
Dokku - Docker powered mini-Heroku in around 100 lines of Bash
ProFreeHost - ProFreeHost is the provider of free and unlimited web hosting along with additional tools and services in the shape of PHP, FTP, cPanel, MySQL, unlimited disk space, unlimited websites hosting, unlimited domains, unlimited bandwidth and much more.