Based upon all of the responses, this is the list of completely unmaintained packages managed by tools-portage. If no one objects, I will send this list to gentoo-dev in a few days asking for maintainers or they will be last rited.
app-portage/deltup app-portage/epm app-portage/maintainer-helper app-portage/splat app-portage/ufed Regards, Paul