VRChat - Create and play in virtual worlds with others
BigScreen VR - Your desktop in virtual reality, with friends; play games, watch movies, and hangout in VR.
Spatial - Collaborate from anywhere in AR
Virtual Desktop - Use your computer in VR
Second Life - Second Life is a virtual reality platform where individuals interact in a virtual world. The software was developed in 2003 by Linden Labs. More than one million people now regularly use the software.
VRidge - Play PC VR games inside your mobile VR headset.