It is a really serious scientific society and does not ask for publishing charges. If you can, they usually ask for voluntary charges to support the publication costs but they are not mandatory.
· AIMS Biophysics and AIMS Genetics (AIMS press, launched in 2014, free open-access for the first three years, $200 per article in the following years).
· Annual Reviews of Biophysics (Traditional, IF: 12.250, rank: 1/74); Also see Annual Reviews of Genetics, Annual Reviews of Biochemistry and other Annual Reviews Journals (but these are not for primary research articles);
· BioEssays (Wiley, optional OA, IF: 4.730);
· Beilstein Journal of Organic Chemistry (Free OA, IF: 2.762) and Beilstein Journal of Nanotechnology (Free OA, IF: 2.670).
· eLife (OA. HMMI, Wellcome Trust, MPG. IF: 9.322. Regular fees $2,500, but an application for a fee waiver is possible unrelated to the geographic location);
Science Q Publishing group does not charge publication charges. See if your field is listed in one of their journals here https://scienceq.org/journals.php