The Easiest Way To Try Out OpenStack. TryStack have set up large clusters of hardware running OpenStack on both x86 and ARM architectures. It’s totally free for you to try & test your apps.
To use it, you need to join the Facebook community:https://www.facebook.com/groups/269238013145112
There’s a manual approval step in process, so it may take a little time for you to get access to TryStack. Please be patient.
Once your account is approved, try OpenStack RDO Juno on x86/RHEL: http://trystack.org/