The Geneva Foundation is a well-organized directory of links organized by diseases and conditions mostly on gynecology and obstetrics. There is also an excellent link directory on free medical journals in all specialties.
BioMed Central is an STM (Science, Technology, and Medicine) publisher of 251 open access, online, peer-reviewed journals.
ScienceDirect is Elsevier’s database of scientific, technical and health publications. The link provides access to all open access publications in Health and Medicine.
One of the open access medical journal with the highest impact factor.
F1000 Research is an innovative Open Research publishing platform offering immediate publication of articles with a transparent peer review process and the inclusion of all source data.
Dovepress provides open access to peer-reviewed biomedical and scientific journals.
BMJ Open is an online, open access journal, dedicated to publishing medical research from all disciplines and therapeutic areas.
Free Medical Journals is a platform that provides links to most of the free medical periodicals.
DOAJ - Directory of Open Access Journals provides links to most of the free medical journals and a vast collection of free articles.