Google App Engine - A powerful platform to build web and mobile apps that scale automatically.
Wia - Full stack for the Internet of Things
Pivotal - Pivotal Software provides enterprise PaaS-based solutions.
Reality Editor - MIT's new app lets you program any object
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.
Losant IoT Platform - Build and visualize real-time IoT solutions with ease.