VRChat - Create and play in virtual worlds with others
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Vircadia - Vircadia is an open-source and decentralized real-time VR creation platform for university, enterprise, social, and OpenSim users.
Smartmockups - Create stunning product mockups, easily and online.
XSight - Find friends and places in AR using your phone camera
Placeit - Generate realistic product shots in seconds