The utnubu team has stopped to exist many years ago; cooperation between Debian and Ubuntu is pervasive these days.
Utnubu is Ubuntu spelled backwards. One of Ubuntu's activities is frequently redistributing packages originally from Debian to Ubuntu's users. Well, Utnubu is about the reverse, copying packages from Ubuntu to Debian.
Links, background info
- Related to Ubuntu:
Ubuntu: AboutUbuntu: our vision of Ubuntu, Canonical, and everything related
- Old information, probably outdated: