In computing, Ceph (pronounced or) is a free-software storage platform, implements object storage on a single distributed computer cluster, and provides interfaces for object-, block- and file-level storage.
Ganeti Web Manager is a web-based management interface for the Ganeti solution stack for virtual machine clusters.
Linux kernel-based operating systems have been widely adopted in a very wide range of uses.
Nebula is a Federal cloud computing platform that originated at NASA Ames Research Center at Moffett Field, California.
Nimbus is a toolkit that, once installed on a cluster, provides an infrastructure as a service cloud to its client via WSRF-based or Amazon EC2 WSDL web service APIs.
OpenNebula is a cloud computing platform for managing heterogeneous distributed data center infrastructures.
In computing, a solution stack or software stack is a set of software subsystems or components needed to create a complete platform such that no additional software is needed to support applications.
Synnefo is a complete open source cloud stack written in Python that provides Compute, Network, Image, Volume and Storage services, similar to the ones offered by AWS.