Hello, many thanks for the judges who volunteered to do that! I have two questions: Is it allowed program minor modifications into LMMS and release a song with that? With minor, I mean programming a new plugin into it, or extending existing instruments. Of course, it's not meant to remove all LMMS s...

That's the FLTK UI. Actually, if you can compile LMMS, you should be able to just use "cmake -DGuiModule=ftlk .." when configuring the project. Additionally, there's a brand new UI now. It can, however, currently not be used with LMMS. Maybe with LV2 support, or maybe even earlier, who kno...