As for GUI,
https://gitter.im/red/red/welcome?at=595f60f50de4d2545e026e5...
> No timeframe until we find someone to work on it. Though, we should be presenting Red at the GNOME global conf in China on October, so I hope we can find someone motivated and skilled enough there to work on it.
So Linux GUI might come not too late.
As for GUI,
https://gitter.im/red/red/welcome?at=595f60f50de4d2545e026e5...
> No timeframe until we find someone to work on it. Though, we should be presenting Red at the GNOME global conf in China on October, so I hope we can find someone motivated and skilled enough there to work on it.
So Linux GUI might come not too late.