MoMAR - AR gallery within the MoMA + open source
VRChat - Create and play in virtual worlds with others
Wanderlog Pinboard - A digital corkboard: map your and your friends' travels
Spatial - Collaborate from anywhere in AR
dropdrop - Leave messages where you travel for others to discover
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.