Open Science Directory is a tool for finding open access journals in science, medicine, and agriculture (among other fields). There are over 13,000 scientific journals on the OSD, the most important collections being Directory of Open Access Journals, BioMed Central, HighWire Press, and PubMed Central. Users can browse/search by journal title, subject, and keyword. Access to each journal's website is provided through the Open Science Directory.
Resource URL: http://www.opensciencedirectory.net/