Eucalpytus
eucalyptus allows the creation of private Infrastructure-as-a-Service (IaaS) clouds that are compatible with Amazon Web Services.
OpenShift Origin
OpenShift Origin brings Platform-as-a-Service (PaaS) support to Fedora 18.
OpenStack
Fedora 18 includes the latest version of the OpenStack IaaS cloud service, codenamed "Folsom".
Heat
Heat was added to provide an AWS CloudFormation API for OpenStack. Heat provides a standardized method for OpenStack users to launch multiple applications in an OpenStack cloud from a template file describing the cloud application. Administrators are encouraged to read the project's getting started guide or the browse their wiki.
OwnCloud
owncloud provides a server and client to synchronize files across multiple devices, including mobile. This allows users to run their own file synchronization service.