One of the most popular alternatives to VirtualBox is WinBoat, which is free and open source. Other popular alternatives are QEMU, Proxmox Virtual Environment, VMware Workstation Pro and KVM (Kernel-based Virtual Machine). You're spoiled for choice with Virtualization Tools like VirtualBox: we list more than 50 alternatives for Linux, Windows, Mac, the web and Android.
Here you can find the original version of David Hedley's 8086 PC emulator, and my "improved" version. This will emulate a basic PC with a VGA text-only display quite well; there is a reasonable amount of software that will work with no problems.
United Kingdom
Quickgui is a graphical user interface for the Quickemu virtual machine manager. Quickgui enables you to create and manage virtual machines from a simple and elegant interface. Nearly 1000 operating systems supported including Windows, macOS, BSDs, and 100s of Linux distros.
Sylve is a lightweight, open-source management platform for FreeBSD. It combines Bhyve virtual machines, FreeBSD Jails, and ZFS storage into a modern web interface designed to deliver a streamlined, Proxmox-like experience tailored for FreeBSD environments.
India
Flint is a modern, self-contained KVM management tool built for developers, sysadmins, and home labs who want zero bloat and maximum efficiency. It was built in a few hours out of a sudden urge for something better.
Native Linux windows for every Windows app — real icons, real WM_CLASS, pin-to-taskbar. FreeRDP RemoteApp + dockur/windows. Zero config.
South Korea
Nemeton creates and manages Linux and macOS virtual machines directly on your Mac — without Parallels or VMware. Built on Apple's Virtualization.framework for native performance with no overhead. Install Ubuntu, Debian, Fedora or Arch Linux with automatic ISO download.
Germany
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The Virtual Environment for secured and comfortable Web Browsing: On the basis of a “Browser-in-the-Box” concept a virtual machine is provided with a reduced operating system and a web browser encapsulated therein.
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To recover VHD, VHDX, VDI and VMDK files with the same software, get SysInfo Virtual Recovery Toolkit at affordable prices.
India
JPCSIM is a Computer Simulator primary created to teach how to install various operating system on a computer, by make use of several images.
