Gather Town - Spatial video-chat worlds for work and play
Vectary - Vectary is a free, online 3D modeling tool and sharing platform.
VRChat - Create and play in virtual worlds with others
Spline - Design tool for 3d web experiences
Topia - Create amazing wallpapers for your iPhone
Homies - Growing 3D scene constructor with characters, backgrounds, and objects for outstanding design projects.