A repository of nearly 100k RPM packages for various Redhat derivative Linux distributions, such as Redhat Enterprise Linux, CentOS, and Fedora Core.
Your one-stop RPM repository for all the packages that Redhat and Fedora Core won't package, like basic MP3 playback support.
A couple of YUM tricks for Redhat derivatives which will no doubt come in handy for sysadmins.. such as removing all X related packages in one fell swoop.
software that uses docker for packaging instead of RPM or dpkg or something. Everything gets installed into its own container, which is dynamically defined as the current working directory only (no subdirectories, nothing outside of the CWD even when running as root). Every Subuser container hast its own set of access permissions.