I shipped consumer software with Qt in the 2000's. It was nicer to work in than MFC. It looked and worked great on Windows 98/2000/XP. Qt's Windows XP renderer

I shipped consumer software with Qt in the 2000's. It was nicer to work in than MFC. It looked and worked great on Windows 98/2000/XP. Qt's Windows XP renderer called Windows' own uxtheme.dll to draw everything. Mac OS X looked a little off, especially the spacing.