ExtraNotes is a free audio and studio utility VST, Audio Unit plugin developed by Teragon Audio. Compatible OS(s): Windows 64b, macOS.
ExtraNotes is a simple plugin for keeping text or image notes alongside an arrangement.
Formerly called “AUNotes”, ExtraNotes now supports Mac OS X, Windows, and Linux with 64-bit versions on all platforms (whereas AUNotes was an AudioUnit plugin for Mac OS X only).
http://www.teragonaudio.com