Netflix has developed s Asgard, a web interface that lets engineers and developers manage their AWS infrastructure using a GUI rather than a command line.

Netflix Asgard is open source.

Paypal a big user of OpenStack has ported Asgard to OpenStack.

Read More: http://gigaom.com/2013/10/02/paypal-has-rebuilt-netflixs-cloud-management-system-for-openstack/