There is even GUI4CLI, which is a wrapping scripting language which generate GUIs for CLI utilities. It's used by Avanti, which is a GUI for ffmpeg and avisynth

There is even GUI4CLI, which is a wrapping scripting language which generate GUIs for CLI utilities. It's used by Avanti, which is a GUI for ffmpeg and avisynth. It's about the same complexity as a clean tiny, basicish, shellish pascal: http://gui4cli.com/html/interface.htm http://gui4cli.com/html/interface.htm But FLTK will have better integration.