Cloud Application Platforms


The Xen Project team is a global open source community that develops the Xen Project Hypervisor and its associated subprojects. Xen (pronounced /’zɛn/) Project has its origins in the ancient greek term Xenos (ξένος), which can be used to refer to guest-friends whose relationship is constructed under the ritual of xenia ("guest-friendship"), which in term is a wordplay on the idea of guest operating systems as well as a community of developers and users. The original website was created in 2003 to allow a global community of developers to contribute and improve the hypervisor.


Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform. CloudStack is used by a number of service providers to offer public cloud services, and by many companies to provide an on-premises (private) cloud offering, or as part of a hybrid cloud solution.

Apache Stratos

Apache Stratos (Incubating) is a polyglot PaaS framework, providing developers a cloud-based environment for developing, testing, and running scalable applications, and IT providers high utilization rates, automated resource management, and platform-wide insight including monitoring and billing.


Cloud Foundry gives companies the speed, simplicity and control they need to develop and deploy applications faster and easier. Gain flexibility and control over your choice of languages, frameworks, application services and clouds. Portability is ensured, vendor lock-in eliminated. As the global industry standard for PaaS open source technology, we operate under an open governance by contribution model. By connecting brainpower and computing power, we reduce development times and accelerate how applications are designed and delivered.


EUCALYPTUS - "Elastic Utility Computing Architecture for Linking Your Programs To Useful Systems" - is a software infrastructure for implementing "cloud computing" on clusters.
HPE Helion Eucalyptus is an open solution for building private and hybrid clouds compatible with Amazon Web Services (AWS) APIs


It is an open-source implementation of the Google AppEngine (GAE) cloud computing interface to enables execution of GAE applications on virtualized cluster systems.

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