What are some alternatives?
When comparing Heroku and OpenStack, you can also consider the following products
Microsoft Azure - Windows Azure and SQL Azure enable you to build, host and scale applications in Microsoft datacenters.
DigitalOcean - Simplifying cloud hosting. Deploy an SSD cloud server in 55 seconds.
Bluehost - Bluehost - Bluehost is one of the largest and most trusted web hosting services powering millions of websites. Join Bluehost now and get a FREE domain name!
Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Amazon EC2 - Amazon Web Services offers reliable, scalable, and inexpensive cloud computing services. Free to join, pay only for what you use.
OpenShift - OpenShift gives you all the tools you need to develop, host and scale your apps in the public or private cloud. Get started today.