You may be confusing OpenStack with Opencompute.  
Opencompute is a set of <i>hardware</i> designs for high-scale data centers that came out of Facebook.  See:  <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Open_Compute_Project" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Open_Compute_Project</a>