This software and associated documentation files (the “Software”) may only be
used in production, if you (and any entity that you represent) have agreed to,
and are in compliance with, the GitLab Subscription Terms of Service, available
at https://about.gitlab.com/terms/#subscription (the “EE Terms”), or other
agreement governing the use of the Software, as agreed by you and GitLab,
and otherwise have a valid GitLab Enterprise Edition subscription for the
correct number of user seats.
Subject to the foregoing, it is forbidden to copy, merge, publish, distribute, sublicense,
and/or sell the Software.
https://gitlab.com/gitlab-org/gitlab-foss on the other hand is licensed as MIT, and does not have the GitLab EE license restrictions on redistribution.