VirtulaBox is an open source software to run virtual systems on top of a physical system. Virtual systems are normally used for providing separate environment for each client sharing a single physical system. Developed by Oracle
License: Open Source
Proxmox Virtual Environment is a powerful open-source hypervisor designed for server environments, supporting both virtual machines and containers, making it ideal for enterprise-grade applications. In contrast, VirtualBox is a user-friendly desktop virtualization solution suitable for personal use and small projects, but it lacks the advanced features and scalability offered by Proxmox.