VRChat - Create and play in virtual worlds with others
VMmanager - VMmanager is a QEMU/KVM server virtualization management software, which presents perfect tools for creating virtual machines, providing VPS services, and building cloud infrastructure.
Vircadia - Vircadia is an open-source and decentralized real-time VR creation platform for university, enterprise, social, and OpenSim users.
Virtkick - Virtkick is a Software as a Service VPS control panel and your company’s storefront.
XSight - Find friends and places in AR using your phone camera
oVirt - oVirt is a virtualization management application.