RPM Development Toolshttp://fedorahosted.org/rpmdevtools/
This package contains scripts and (X)Emacs support files to aid in
development of RPM packages.
rpmdev-setuptree Create RPM build tree within user's home directory
rpmdev-diff Diff contents of two archives
rpmdev-newspec Creates new .spec from template
rpmdev-rmdevelrpms Find (and optionally remove) "development" RPMs
rpmdev-checksig Check package signatures using alternate RPM keyring
rpminfo Print information about executables and libraries
rpmdev-md5/sha* Display checksums of all files in an archive file
rpmdev-vercmp RPM version comparison checker
spectool Expand and download sources and patches in specfiles
rpmdev-wipetree Erase all files within dirs created by rpmdev-setuptree
rpmdev-extract Extract various archives, "tar xvf" style
rpmdev-bumpspec Bump revision in specfile
...and many more.