Tooling in this layer could provide an environment that assists with cloud application development, and it should provide the means to package and deploy the application to a cloud infrastructure.

此层中的工具可以提供一个可帮助云应用程序开发的环境，并且应该提供打包和将应用程序部署到云基础结构中的方法。

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CloudBees aims at providing a cloud platform that covers the entire application lifecycle, from development to production and maintenance, through staging and QA.

CloudBees的目标是提供能够覆盖整个应用程序生命周期的云平台，从开发、登台(Staging)、QA、生产以至维护。

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Cloud computing on distributed, commodity platforms - like Google app Engine and Amazon EC2 - is perhaps the most exciting new trend in Web 2.0 application development.

分布式商用平台上的云计算——比如Google App Engine和Amazon EC2——也许是Web 2.0应用开发中最让人兴奋的新趋势。

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VMware has agreed to acquire DynamicOps, a provider of cloud application development software.

FORBES: VMware To Buy DynamicOps

The object of Deltacloud is to open up competition and choice in the cloud market, just as Red Hat Linux did in the hardware market, eliminating the switching cost of investing in a new stack of proprietary offerings and allowing cloud users to invest the savings into conducting application development that truly differentiates them.

FORBES: RedHat CEO Whitehurst: Don't Be Tricked into Cloud-based Lock-in

Today, IT can purchase cloud-based enterprise mobile device and app management, application development platforms and mobile business applications such as field service and CRM.

FORBES: The world moves to cloud. Is it time for cloud-based mobile management?