In a regular job I deal with:
Designing heavy vehicles (in software: SolidWorks,DraftSight,AutoCAD).
As a freelancer, I do:
3D modeling (Blender,3Ds Max), Creating textures (Gimp,Substance Designer,Substance Painter ), Create game assets(Unity3d, CryEngine) Create script for Unity3d, CryEngine (Java, C++, C#).
I like to do:
hand drawing (pencil,eraser,fine line pen), digital painting (Krita, Corel Painter), create vector drawings (Inkscape).
Inkscape 是遵循GPL的自由开源软件。