Cross-platform alternative to COM

Question

I\'ve been enamoured with component based programming (be it with COM, another system, or just using the paradigm in plain C++). It requires a bit of getting used to, if one is

Answer 1

Shouldn't Qt be an Alternative?

http://qt.io

AFAIKT you can use it at least on: Windows | Mac | Linux/X11 | Solaris | Embedded Linux | Windows Embedded | Green Hills Software INTEGRITY | QNX | VxWorks

That's quite much IMHO.