AUR, aswell as AUR.AUR is a package that includes various useful package-related utilities. It is available in
Creates a PKGBUILD from the Ruby gem specification.
Sets maintainer information in a PKGBUILD.
Speeds up creating new PKGBUILDs.
Checks a binary
.pkg.tar.gz (sic) file for conflicts with existing packages.
Converts an rpm
.spec file into a PKGBUILD.
Shows packages requiring the mentioned one.