VirtualBox vs Xen: What are the differences?

Developers describe VirtualBox as "Run nearly any operating system on a single machine and to freely switch between OS instances running simultaneously". VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL) version 2. On the other hand, Xen is detailed as "Advancing virtualization in a number of different commercial and open source applications". It is a hypervisor using a microkernel design, providing services that allow multiple computer operating systems to execute on the same computer hardware concurrently. It was developed by the Linux Foundation and is supported by Intel.

VirtualBox and Xen belong to "Virtualization Platform" category of the tech stack.

Some of the features offered by VirtualBox are:

• Portability
• No hardware virtualization required
• Guest Additions: shared folders, seamless windows, 3D virtualization

On the other hand, Xen provides the following key features:

• Xen 4.10 or Newer
• Archive
• Overview

Xen is an open source tool with 208 GitHub stars and 152 GitHub forks. Here's a link to Xen's open source repository on GitHub.