Hypervisor

Portable-VirtualBox is a free and open source software tool that lets you run any operating system from a usb stick without separate installation. Installation instructions Download and run Portable-VirtualBox_v5.1.22-Starter_v6.4.10-Win_all.exe. Choose a folder to extract to. Go to the folder and run Portable-VirtualBox.exe. You'll see …

Multipass is a CLI to launch and manage VMs on Windows, Mac and Linux that simulates a cloud environment with support for cloud-init. Get Ubuntu on-demand with clean integration to your IDE and version control on your native platform.

VMS Software, Inc. (VSI) develops, sells and is currently porting OpenVMS (VMS) operating system to x86; offers support, training, software for VMS.

Optimize cloud infrastructure with VMware for app platforms, private cloud, edge, networking, and security.