Drawing Software

If you want free drawing software or image editing software, there are:

• Inkscape → line drawing
• Gimp → image editing
• paint.net → a very simple paint program.
• Krita → paint
• MediBang Paint
• Autodesk Sketchbook

They are available for Mac, Windows, linux.

For 3d, see List of 3D Modeling Software

MediBang Paint

Autodesk Sketchbook