You will see many drag & drop GUI builders and speech recognition libraries. So, why not join them together and create a user interface by talking with the computer?

[Navin] has been hard at work producing a GUI which works with different micocontrollers. The idea is to make it even easier to develop projects by simplifying the feedback and control you can get … ...

Glade is a GUI builder for the Gtk+ toolkit. Glade makes it easy to create user interfaces interactively, and it can generate source code for those interfaces as well as stubs for user interface ...