Now UI Kit - A beautiful Bootstrap 4 UI kit. Yours free.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Landing UI Kit - Handcrafted UI components for landing pages
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
Epic Pxls - UI kits, icons, templates, mockups and more, free
ZBrush - ZBrush is a digital sculpting and painting software solution.