Korg microKorg Resources Patch Editors Patch Base has a full-featured Korg microKorg editor and librarian for both Mac and iPad. Try it out for free. Korg's official microKorg Sound Editor is available for Mac and Windows. It's free. Jimdo offers a VST/AU/standalone microKorg editor for about 6 euros. Mystery Islands Music also offers a VST/AU microKorg editor for about 50 euros.