Can remember that too, was sponsored by IBM at some university, but it's closed long ago, was actually really cool.
https://openpower.ic.unicamp.br/minicloud/
This Brazilian university provides free access to a Power system for developers who want to port their applications.
It looks like you can actually run your own virtual machines in a cloud-like environment: https://youtu.be/TE_4UKHrjwE
Can remember that too, was sponsored by IBM at some university, but it's closed long ago, was actually really cool.