Yes, I've copied the title from their project.

Proxmox describes itself as an virtualization management platform.

Proxmox Virtual Environment is a complete, open-source server management platform for enterprise virtualization. It tightly integrates the KVM hypervisor and Linux Containers (LXC), software-defined storage and networking functionality, on a single platform

[1] https://www.proxmox.com/en/proxmox-virtual-environment/overview