Portable-VirtualBox is a free and open source software tool that lets you run any operating system from a usb stick without separate installation. It unpacks and adjusts the paths and configuration of VirtualBox so it will run portably.


Vectras VM is described as 'It's a Virtual Machine App for Android Which is Based on QEMU' and is a Virtualization tool in the network & admin category. There are more than 10 alternatives to Vectras VM for a variety of platforms, including Linux, Mac, Windows, BSD and Android apps. The best Vectras VM alternative is VirtualBox, which is both free and Open Source. Other great apps like Vectras VM are WinBoat, QEMU, VMware Workstation Pro and KVM (Kernel-based Virtual Machine).
Portable-VirtualBox is a free and open source software tool that lets you run any operating system from a usb stick without separate installation. It unpacks and adjusts the paths and configuration of VirtualBox so it will run portably.


CheerpX is an x86 virtualization technology for running executables and operating systems entirely client-side. It’s an always available, zero-cost virtual machine with guaranteed data privacy, powered by a WebAssembly JIT engine.

Need to try out old versions of macOS for your software? Want to try a script or piece of software without breaking your Mac?




MacMulator is the computer emulator for your Mac! It engages the power of Qemu, together with a nice, easy to use UI, to let you create any kind of Virtual Machines in a few clicks. Whatever OS you need to run on your Mac, MacMulator is the tool for you!.


Native Linux windows for every Windows app — real icons, real WM_CLASS, pin-to-taskbar. FreeRDP RemoteApp + dockur/windows. Zero config.
