@@Krzys_D You can draw anything in FreeCAD that you draw on SolidWorks or Inventor. The advantage of FreeCad is that you can couple it with IA very easily. Besides that you can write your own tools on Python and you have all the Python libraries at your disposal.
Yes it is and it does full fem and cfd simulations. Ondsel engineering suite is the best version of freecad in my opinion. My chanel has a few videos on cfd