Dialogflow - Conversational UX Platform. (ex API.ai)
VRChat - Create and play in virtual worlds with others
Botpress - Open-source platform for developers to build high-quality digital assistants
Spatial - Collaborate from anywhere in AR
Messenger Platform - Discovery, chat extensions, and richer experiences
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.