OpenStack

QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that performs hardware virtualization. QEMU is a hosted virtual machine monitor: It emulates central processing units...

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 …

Xen.org, home of the Xen hypervisor, the powerful open source industry standard for virtualization. It is a native (bare-metal) hypervisor providing services that allow multiple computer operating systems to...

OpenShift is Red Hat's free, auto-scaling Platform as a Service (PaaS) for applications. As an application platform in the cloud, OpenShift manages the stack so you can focus on your …

AppScale is an open-source framework for running Google App Engine applications. It is an implementation of a cloud computing platform (Platform-as-a-Service), supporting Xen, KVM, Amazon EC2 and Eucalyptus....

PetiteCloud is a HyperVisor frontend for BSD. It has the following features: Support for bhyve (including linux support) and QEMU (software emulation only until the FreeBSD port of kqemu is …