abiCloud is an open source cloud computing platform platform.
It allows to quickly create a private cloud inside an organization’s firewall, and manage it with a rich user interface. Next version will allow to also deploy images in external clouds, creating an hybrid environment.
abiNtense is a developing framework for quickly create distributed applications.
It also offers a multi-architecture middleware for making it really easy.
For more info, go to http://community.abiquo.com/display/Community/Home.