This is a list of open-access journals by field. The list contains notable journals which have a policy of full open access. It does not include delayed open access journals, hybrid open access journals, or related collections or indexing services. True open-access journals can be split into two categories: diamond or platinum open-access journals, which charge no additional publication, open access or article processing fees gold open-access journals, which charge publication fees (also called article processing charges, APCs). Agriculture African Journal of Food, Agriculture, Nutrition and Development Bulletin of Insectology Open Access Journal of Medicinal and Aromatic Plants Open Agriculture Journal of Horticultural Sciences Pertanika Journal of Tropical Agricultural Science Astronomy Journal of the Korean Astronomical Society Open Astronomy Bioethics AMA Journal of Ethics...