####The story is over. I will not make any new updates.
Thanks to bobc. He is the guy for real open source in any case! *thumbsup*
Wurstnase
This is a firmware for reprap single-processor electronics setups. It also works on the Ultimaker PCB. It supports printing from SD card+Folders and look-ahead trajectory planning. This firmware is a mashup between Sprinter, grbl, and many original parts.
Marlin is published under the GPL license because We believe in open development. Do not use this code in products (3D printers, CNC etc) that are closed source or are crippled by a patent.