2D/3D, mostly AutoCAD compatible:
Dassault DraftSight:
Graebert Ares Commander (there is Linux version too):
https://www.graebert.com/cad-software/ares-commander/
Bricsys BricsCAD (there is or was Linux version too):
Monstrous 3D CAD system, on league of its own - Dassault Catia:
https://www.3ds.com/products/catia
Architectural - Graphisoft Archicad:
https://graphisoft.com/solutions/archicad/
Architectural, engineering - Nemetschek Allplan:
out of dassaults solutions, solidworks is more popular than catia. mostly because catia is insanely expensive.
Solidworks is american, only owned by Dassault.
if it was american-owned for two years and has been french-owned for 30, is it really still american?