Her are some traditional tools that artist can use along with digital painting software these are some of my tools that I have build up over the years there are so many tools out there for making art gradually build up your arsenal go to art stores search online discover learn and explore.

Pencils & Pencils Extenders, Clutch Pencils, Mechanical Pencils, Lead

Stylus, Burnishing tools, Stumps, Colour Shapers, Bristle Brushes these tools are excellent for blending, painting and retracing.

Eraser Stick, Electric Eraser,Mars Plastic Erasers, Artgum Eraser, Kneaded Eraser, a small Dremel Bit use with a Electric Eraser  is excellent for scratching out highlights in airbrushing and traditional painting.

T-Square ,French Curves ,Flexible Curve, Triangle, Templates

 Opaque Projectors,Digital Projectors, Pantograph are  excellent for enlarging or reducing  and for accurate drawing

Ink, Technical Pens, Dip Pens, Nips,Syringe Cleaner for Technical Pen

Electric Pencil  Sharpener , Lead Pointers 

Utility Knife, Xacto Knife, Masking Fluid, Frisket Flim. Utility and Xacto Knife are excellent for scratching highlights, cutting stencil and Frisket. Liquid Masking Fluid and Frisket are use for protecting areas of your art from unnecessary paint.

Cordless Stencil Burner , Electric Stencil Burner for making your own stencils great to use with Mylar and drafting film.

Airbrushes and Airbrush Paint

Colored Pencils

Pastels