Smoothieboard is now from sale from the US ( by Logxen, Smoothie/Smoothieboard/Smoothiepanel dev ) and Europe ( by Arthur, Smoothie/Smoothieboard dev ).

Europe and rest of the world

North America

License

Smoothieboard is OpenHardware.

You are free to use it, make it, sell it, modify it ( as long as you release the changes under the same license ).

If you want to make it yourself and use the Smoothie* namespace, you want to take a look here.