Nomad Sculpt - Nomad is a sculpting & painting mobile app, available on Android and iOS.
Unity - The multiplatform game creation tools for everyone.
ZBrush - ZBrush is a digital sculpting and painting software solution.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Sculptura - 3D sculpting for everyone
Blender - Blender is the open source, cross platform suite of tools for 3D creation.