“This is a customized open-source software product, and there are additional charges for support and maintenance.

CentOS Stream 9 is the forthcoming major release within the CentOS Stream distribution. CentOS Stream is a collaborative project involving the Red Hat Enterprise Linux (RHEL) engineering team and the CentOS community.

CentOS Stream operates as a continuous delivery distribution, providing each point release of Red Hat Enterprise Linux (RHEL).”