Multipsk has some "video ID" on some of the modes in the waterfall:
Jerry - K0HZI
--- In email@example.com, "k9ao" <k9ao@...> wrote:
> I happened to be tuning across the digital portion of 20 meters last
> night and saw what appeared to be the trace of FM Hellschreiber. As I
> watched, after the normal Hell stopped, a waterfall text display of
> something like "FM HELL 105" appeared in small letters below and
> centered on the normal FM Hell trace.
> I wasn't able to get anything more, but wondered what software app it
> was that displayed this way?
> Rick Kunath