KORG M3 Plug-In Editor VST 2.2

Integrates with apps that support VST, or RTAS format and provides full M3 instrument functionality within the DAW (Digital Audio Workstation).

M3 Editor and M3 Plug-In Editor are applications for Macintosh or Windows that allow you to edit the M3’s EDS programs, RADIAS programs (if the EXB-RADIAS is installed), combinations, songs, KARMA settings, effects, and global settings.

The M3 Editor is a stand-alone editor.
The M3 Plug-In Editor is an editor that is compatible with the VST, Audio Units, or RTAS formats. It lets you use the M3 just like a plug-in instrument from within your DAW (Digital Audio Workstation) software or other host application.