Fuel

Fuel is an open source deployment and management tool for OpenStack. Developed as an OpenStack community effort, it provides an intuitive, GUI-driven experience for deployment and management of OpenStack, related community projects and plug-ins.

https://wiki.openstack.org/wiki/Fuel

Fuel online demo

If you would like to play with it in a demo environment, visit http://demo.fuel-infra.org:8000/ (login and passwords is admin). This deployment emulates the provisioning process giving you a chance to see how the UI works without needing to install anything on your own hardware.