OpenStack vs Proxmox VE: What are the differences?
OpenStack: Open source software for building private and public clouds. OpenStack is a cloud operating system that controls large pools of compute, storage, and networking resources throughout a datacenter, all managed through a dashboard that gives administrators control while empowering their users to provision resources through a web interface; Proxmox VE: Open-Source Virtualization Platform. It is a complete open-source platform for all-inclusive enterprise virtualization that tightly integrates KVM hypervisor and LXC containers, software-defined storage and networking functionality on a single platform, and easily manages high availability clusters and disaster recovery tools with the built-in web management interface.
OpenStack can be classified as a tool in the "Open Source Cloud" category, while Proxmox VE is grouped under "Virtualization Platform".
According to the StackShare community, OpenStack has a broader approval, being mentioned in 87 company stacks & 248 developers stacks; compared to Proxmox VE, which is listed in 16 company stacks and 15 developer stacks.