> Theoretically you could generate UI code for Win32, Qt, GTK, and others from a common markup format. Lazarus's LCL components pretty much do that. One source

> Theoretically you could generate UI code for Win32, Qt, GTK, and others from a common markup format. Lazarus's LCL components pretty much do that. One source, can target Win32, Qt, GTK, and Cocoa.