VRChat - Create and play in virtual worlds with others
WebVR Experiments by Google - Easily build and share VR experiences on the web!
Spatial - Collaborate from anywhere in AR
STYLY - Platform for creating VR spaces without any coding
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.
MeetinVR - VR business meetings better than in real life