Indeed, another option is to move it to GNU ELPA. I think use of GNU> If you are willing to make yourself the maintainer, feel free to move it
> back out from obsolete/, and remove the Obsolete-Since header and the
> associated NEWS entry.
> This seems like another thing that could/should be moved to GNU Elpa (if
> that's a thing that's on the cards now; cf recent landmark discussion).
ELPA for such packages which are used by a fairly small fraction of
users makes a lot of sense.
Stefan