Urpm-tools - a set of utilities to work with Urpm repositories
They make URPM-based repositories easier and more powerful to use.
These tools include: urpm-downloader, urpm-package-cleanup, 
urpm-repoclosure, urpm-repodiff, urpm-repomanage, urpm-repograph,
urpm-reposync

rpm5utils are based on rpmUtils from yum, http://yum.baseurl.org