Ok I may reflect my age but I loved the old DOS based XTree gold program. I would love to have something like that in a portable app. After googling it I found 2 alternatives that I believe are open source. The caveat is they both appear to be Unix and or Linux based
Ytree written in Unix
In fact one of htem lists the source code download which takes you to Soundforge.
Now as I have stated previously I am not a programmer so HELP