OpenShift!

Heroku is a cloud application platform for Ruby, Rails, Node.js, Java, Python, Scala and Clojure web apps. Everything you need to build, run, and scale:

Google App Engine is a free* platform for developing and hosting web applications in Google-managed data centers. App Engine offers fast development and deployment; simple administration, with no need to worry about hardware, patches or backups; and effortless scalability.

Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides resizable compute capacity in the cloud. It is designed to make web-scale computing easier for developers.

Kubernetes is an open source orchestration system for Docker containers.

Nanobox is the ideal platform for developers.

Orchestrate Real Apps on the Cloud with CloudifyAchieve a smooth transition to the cloud and easy automation of even the most complex applications throughout their entire lifecycle with Cloudify. Orchestrate the creation of the whole cloud infrastructure required for your application, starting from compute resources all the way down to networks and block storage devices. Cloudify will then deploy your applications to the cloud (OpenStack, VMWare vSphere, or even bare metal like Softlayer), monitor their progress and scale them when needed. »

Google Compute Engine is not just fast. It’s Google fast. In fact, it’s a class of fast that enables new service architectures entirely..

HelioHost - the number one free webhost on the web.

Exoscale is an IaaS cloud platform for individuals, developers and businesses worldwide.Launched in 2011, it is headquartered in Switzerland, with several availability zones across Europe: * Genva* Zurich* Frankfurt* Vienna

Open-source PaaS for Java, Ruby, Python and Node.js.

You are a PHP developer and you want: a modern development environment, a reliable infrastructure, established standards and an up2date run-time. But – do you really want to setup and maintain everything by yourself? The Fortrabbit PHP Hosting Platform lets you focus on your code – so that you can be more productive and even sleep better. Sounds cool? The development environment comes for free. Give it a try and sign up on fortrabbit.com

CloudVPS is the number one cloud provider in the Netherlands. Whether you need a single machine or a complex load-balanced cluster, our flexible cloud lets you create the Virtual Private Servers (VPSes) and Cloud Storage you need quickly and securely. We are leading the market with our implementation of the revolutionary OpenStack technology and in the area of cloud certification.

Cloud 66 specializes in DevOps-as-a-Service, enabling developers to build, deploy and manage any application, on any server, via the cloud provider of choice. Offering the convenience of PaaS, with the flexibility of using your own servers, we make DevOps easy with a single, integrated toolkit.

Apache's CloudStack is a Project backed by Citrix and designed to be a direct competitor to OpenStack. It is designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform.