MIDI Machines What are MIDI Machines? Inside the full desktop version of MIDI Guitar, scripts can be used, called “MIDI Machines”. It is a simple but powerfull system using the LUA script language. All midi that is fed to the built-in instrument slot and external midi output goes via these scripts. Free Synth plugins (VST/AU) Here short demos and links to free VST’s. So only free stuff here! DAW guides (VST/AU) The full desktop version of MIDI Guitar comes with VST and AU plugin versions. How to use these is dependent from the DAW used. Quickstart vids and infos for getting MIDI Guitar working in your DAW are to be found in this category.