These designs look good, but the long list of icons is not great in terms of usability, especially since it mixes buttons meant for the editor (Bold, Italic, etc.), with buttons meant for the note as a whole (Info, External edit, etc.), with buttons meant for the whole app (Search, Layout, etc.)
So it would be interesting to see designs that take this into account, and position the buttons to makes it more obvious what they are for.
This is what we have now, and what should or could be changed:
