Unity - The multiplatform game creation tools for everyone.
Gather Town - Spatial video-chat worlds for work and play
Godot Engine - Feature-packed 2D and 3D open source game engine.
SpatialChat - Virtual space platform to help remote teams collaborate.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Teamflow - Feel like a team again with your own virtual office