Goxel - Goxel is a simple, but powerful voxel graphic editor with 24-bit color support, unlimited scene...
Unity - The multiplatform game creation tools for everyone.
Paint 3D - Paint 3D is a standalone graphic editing solution created by Microsoft.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Makers Empire 3D - Voxel editor made to be easy to use.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.