I have come across a commercial product that appears to have similar code to Proxmox VE.

I am pretty sure that the Proxmox Community is not that interested splitting the Community and supporting third party forks (by sharing links) some of them do not even comply with our copyrights.
 
I am pretty sure that the Proxmox Community is not that interested splitting the Community and supporting third party forks (by sharing links) some of them do not even comply with our copyrights.
We strongly condemn the act of copyright infringement. Such behavior has a negative impact on the sustainable development of upstream projects.