Here i suggest some links for open access Journals.
Directory of Open Access Journals
http://www.biomedcentral.com/browse/bysubject/
http://www.bentham.org/open/JrnlsBySub.htm
http://www.jurn.org/fuse/fuse-titles.html
http://www.foreast.org/journals
Free Full-Text Journals in Chemistry
Open Access Journals in the Field of Education
Geoscience e-Journals
Free full text articles of human pathology from IJCEP
Perspectivia.net
Genamics JournalSeek
LivRe!
Revistas CSIC
University of Nevada Collection of Free Electronic Journalshttp://www.openj-gate.com/Browse/BySubject.aspx