Earlier quoted context omitted.
The screenshots are taken in Linux: XFCE+Wine. Fresh IDE is actually some kind of hybrid application. It works in Linux better and with more features than in Windows. :)
I know Windows is a lost cause, but Unix apps don't have to be ugly like that ;-) And even Windows can use GTK.
Still not GTK though. It is too heavy for assembly language programming and will not allow portability for example on MenuetOS or KolibriOS assembly written OSes.