checksig.py - checks and reports signature of an rpm - outdated
repoclosure.py - reports on the dependency closure status of yum repositories.
repomanage.py - reports older or newest packages in a dir. Useful for cleaning up
                repositories of old cruft.
repo-rss.py - generates rss2 feeds of recent packages added to repositories.
rpmpkgvercmp.py - compares versions of rpm packages
rpmvercmp.py - compares versions using rpm's version comparison
yumgengroups.py - generates yum-compliant group.xml files
yumgroups.pl - ditto of above but in perl