BioMed Central (http://www.biomedcentral.com/)
- Open access publisher of biological and medical journals.
Directory of Open Access Journals (http://www.doaj.org/)
- Categorized, searchable links to free, full text, quality controlled scientific and scholarly journals.
HighWire Free Online Full-text Articles (http://highwire.stanford.edu/lists/freeart.dtl)
- Index of openly available journals from a variety of academic publishing websites.
- PLOS (Public Library of Science) is a non-profit publisher and advocacy organization. Its seven peer-reviewed science journals are openly available.
Wiley Open Access (http://www.wileyopenaccess.com/view/journals.html)
- Openly available journals across biological, chemical and health sciences.