I didn’t see any basic lists of the popular programs so here goes.
Adobe Illustrator - http://www.adobe.com/products/illustrator.html pc/mac Monthly Subscription
Affinity Designer - https://affinity.serif.com/en-us/ pc/mac 50$ US
Inkscape - https://inkscape.org/ pc/mac Free
Corel Draw - http://www.coreldraw.com/en/product/home-student/ pc 130$ US
Commonly used 3D Software
Fusion 360 - http://www.autodesk.com/products/fusion-360/ pc/mac Free for hobbyists and business doing less than $100K a year.
Blender - https://www.blender.org/ pc/mac Free
SketchUp - http://www.sketchup.com/ pc/mac Free non-commercial version
Onshape - https://www.onshape.com/ pc/mac Free version
Will add/change as needed. Trying to keep it to the most familiar programs for support purposes.