Citrix Hypervisor is described as '(formerly XenServer) Citrix Hypervisor is a leading virtualization management platform optimized for application, desktop and server virtualization infrastructures' and is a Virtualization tool in the network & admin category. There are more than 25 alternatives to Citrix Hypervisor for a variety of platforms, including Linux, Self-Hosted, Windows, Mac and Web-based apps. The best Citrix Hypervisor alternative is VirtualBox, which is both free and Open Source. Other great apps like Citrix Hypervisor are Proxmox Virtual Environment, KVM (Kernel-based Virtual Machine), UTM and Unraid.
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.
Norway
Multipass is a lightweight VM manager for Linux, Windows and macOS. It's designed for developers who want a fresh Ubuntu environment with a single command. It uses KVM on Linux, Hyper-V on Windows and HyperKit on macOS to run the VM with minimal overhead.
United Kingdom
Harvester is the next generation of open-source hyperconverged infrastructure solutions designed for modern cloud-native environments.
Germany
EU
oVirt is a virtualization management application. That means that you can use the oVirt management interface ( the oVirt engine) to manage hardware nodes, storage and network resources, and to deploy and monitor virtual machines running in your data center.
Virtualizor is a powerful web based VPS Control Panel. It supports OpenVZ, Xen PV, Xen HVM, XenServer and Linux KVM virtualization.
India
Need to try out old versions of macOS for your software? Want to try a script or piece of software without breaking your Mac?
United States
Bochs is a highly portable open source IA-32 (x86) PC emulator written in C++, that runs on most popular platforms. It includes emulation of the Intel x86 CPU, common I/O devices, and a custom BIOS. Currently, Bochs can be compiled to emulate a 386, 486...
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!.
Software-defined infrastructure for cyber protection. Streamline IT efforts using built-in management and monitoring tools. Get integrated support for multiple workloads, use cases, storage types and APIs. Maximize productivity, lower operational costs, and enable growth.
Switzerland
The Xen Project hypervisor is an open-source type-1 or baremetal hypervisor, which makes it possible to run many instances of an operating system or indeed different operating systems in parallel on a single machine (or host).
Qemu Manager is an easy to use management tool for the open-source QEMU emulator. It has a wealth of features for creating, managing and running multiple virtual machines.
bhyve (pronounced "bee hive", formerly written as BHyVe) is a type-2 hypervisor that runs FreeBSD 9+, OpenBSD, Linux and MS Window desktop (versions Vista, 7, 8/8.1/8.2 and 10), as well as MS Windows Server (versions 2008/2008R2, 2012/2012R2 and 2016 Technical Preview...
