On this website, you can invite guests to git.nrw.

After account confirmation, you can invite guests to the desired projects/groups and manage permissions and role assignments. A detailed guide can be found at: gitlab.git.nrw/.../Inviting-External-Guests-to-Git.nrw

Please note that you cannot invite guests from institutions that already have access to git.nrw.

Additional information: A maximum of 5 guests can be invited per account. Guests do not have permission to create their own projects.