AlmaLinux OS
AlmaLinux OS is an open-source, community-driven project that is built from the source code of Red Hat Enterprise Linux (RHEL). AlmaLinux is a completely binary compatible fork of RHEL and it is maintained by AlmaLinux OS Foundation which is a register non-profit.
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Kubuntu
Kubuntu is a free, user-friendly Linux distribution based on KDE's desktop software and on the Ubuntu operating system. It has a biannual release cycle.