The Teacher Informatics Network "ÖBA", a professional development platform specially developed by the Ministry of National Education for teachers, was opened. ÖBA was established to support the personal and professional development of teachers in a multidimensional way. It is possible to log in to the ÖBA, which is offered at www.oba.gov.tr, with a MEBBİS or e-Government password. There is also a library area in the ÖBA, where teachers can access professional development training by logging in. A wealth of content is offered from the Library area, which is open to the public.