They can also be used with Katello -> 
https://theforeman.org/plugins/katello/

Pat

On 03/14/2017 09:28 AM, aleksander.baranowski wrote:
> Hello,
>
> I noticed that there are packages connected with subscription manager in
> SL7 and SL6, these packages are used for managing RH subscriptions, is
> there any particular reason for not removing them from Scientific Linux?
>
> Bests,
> Alex