Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Shutter - Shutter is a feature-rich screenshot program.
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
Snipping Tool - Use Snipping Tool to capture a screen shot, or snip, of any object on your screen, and then annotate, save, or share the image
ZBrush - ZBrush is a digital sculpting and painting software solution.