iGFW

网站的硬件配置可以随访问量的变化灵活变动，从而做到按资源消耗量计费，”用多少资源，付多少钱”。这种可以快速搭建、灵活扩展、按资源消耗量计费的主机，正式名称就叫做”云平台“（cloud platform），它代表了”平台即服务”（Platform as a Service，缩写PaaS）的商业模式。

这种”云平台”是创业公司当前开发网站的首选，未来必将取代传统主机。下面的列表中，许多公司都提供免费套餐，非常值得尝试。

　多语言平台

* Heroku (http://www.heroku.com/) – Ruby, Node.js, Clojure

* Redhat Openshift (https://openshift.redhat.com/app/) – Java, PHP, Ruby, Python,Perl

* Microsoft Azure (http://www.microsoft.com/windowsazure/) – .NET, Java, PHP, Ruby

* Dotcloud – (http://www.dotcloud.com/) – Java, Perl, PHP, Python, Ruby, Node.js

* DeployFu (http://www.deployfu.com/) – node.js, Manos, ASP.NET, Pylons

* Stackato (http://www.activestate.com/cloud) – Python, Perl, Node.js, Ruby, Java

* BitNami Cloud (http://bitnami.org/cloud) – Perl, PHP, Ruby, Java

* Cloud Foundry (http://www.cloudfoundry.com/) – Java, Ruby, Node.js

* Brightbox Cloud (http://beta.brightbox.com/) – 自选操作系统

PHP

* SAE (http://sae.sina.com.cn/)

* Orchestra (http://orchestra.io/)

* Cloud Control (http://cloudcontrol.com/)

* Relbit (http://relbit.com/)

* PHP Fog (https://www.phpfog.com/)

* Pagoda Box (http://www.pagodabox.com/)

Python

* App Engine (http://code.google.com/appengine/)

* PiCloud (http://www.picloud.com/)

* DjangoZoom (http://djangozoom.com/)

* Nuage (http://www.nuagehq.com/)

* ep.io (http://www.ep.io/)

* AppHosted (https://apphosted.com/)

* Gondor (https://gondor.io/)

* 30loops (http://30loops.net/)

* Stable.io (http://stable.io/)

* Pydra (http://www.pydra.com/)

Ruby

* EngineYard (http://www.engineyard.com/)

* Railscloud (https://www.railscloud.de/)

Java

* App Engine (http://code.google.com/appengine/)

* CloudBees (http://www.cloudbees.com/)

* VMForce (http://www.vmforce.com/)

* Amazon Elastic Beanstalk (http://aws.amazon.com/elasticbeanstalk/)

* CumuLogic (http://www.cumulogic.com/)

* JRapid (http://www.jrapid.com/)

Node.js

* JoyentCloud (https://no.de/)

* Nodester (http://nodester.com/)

* Nodejitsu (http://www.nodejitsu.com/)

* NodeSocket (http://www.nodesocket.com/)

* Cloudnode (http://cloudno.de/)

.NET

* AppHarbor (https://appharbor.com/)

* Moncai (http://moncai.com/)

Perl

* Phenona (http://www.phenona.com/)

Ringo.js

* Erbix (http://www.erbix.com/)

Javascript

* Akshell (http://www.akshell.com/)

来源：http://www.liqwei.com/news/internet/2011/840.shtml

这些云平台免费的之与翻墙有两点用处，一是拿来做APJP、Snova或ASProxyWing代理，一是看看是否支持ssh能否实现ssh代理。