Does Redhat offer a list of packages you can install from some type of app store? You should firstly find out what they mean by "untested sources", as this cou

Does Redhat offer a list of packages you can install from some type of app store? You should firstly find out what they mean by "untested sources", as this could mean building code from source/tarballs and not using their 1-click installer for software (where a lot of the software will likely be open source in any case).