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.
Pivotal - Pivotal Software provides enterprise PaaS-based solutions.
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.
Cloudify - Accelerating Software Development & Deployment
Healthy Servers - Making server monitoring easy
Docker - Docker is an open platform that enables developers and system administrators to create distributed applications.