"Alper YAZAR and CONTRIBUTORS" hold copyright on all materials. But don't panic. All contributors have agreed upon CC-BY-SA-4.0 license. Of course, you are free to read all pages. If you follow :ref:`license_page` conditions, you are also free to share and adapt. You don't need to request permission from contributors if you follow license rules. Questions? then :ref:`contact_page`.
Each contributor holds copyright on his/her contribution. Git commit history shows which part belongs to which contributor.
Some of contributors are listed on :ref:`contributors_page` page.