8th Wall - Cross-Platform Mobile AR
VRChat - Create and play in virtual worlds with others
blippar - Blippar is a revolutionary new image recognition platform that lets you capture a real life image and watch it come to life on your mobile device. Just find images with the blipp logo and unlock a new level of interactivity.
Spatial - Collaborate from anywhere in AR
Vuforia - Leading Augmented Rreality platform.
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.