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
best drawing app is krita. don't use gimp
Krita (drawing software)MediBang Paint
Autodesk Sketchbook
