programs to develop aircraft

[Mario Donadon]

good morning friends, taking the first steps on the MSFS2020, I would like to know what programs are used to develop or convert aircraft for it, on P3dv4 I used modeling programs and the MCX for finishing, but I noticed a lot of different things, can someone help

[centuryseries]

Some people use Blender, it's free and there's a Blender2MSFS exporter. You wouldn't really need MCX if you exported gltf from Blender.