[C] GTK+
[C++] GTK--
[C++] FOX toolkit
[C++] wxWidgets
[C++] QT
[C++] Ultimate C++
[C] WinAPI
[C++] MFC
[C++][C#] Windows Forms
[C#] Windows Presentation Framework
[C] GTK+
[C++] GTK--
[C++] FOX toolkit
[C++] wxWidgets
[C++] QT
[C++] Ultimate C++
[C] WinAPI
[C++] MFC
[C++][C#] Windows Forms
[C#] Windows Presentation Framework