Open Access Resources (General)
Journals
 
International
BioMed Central
http://www.biomedcentral.com/
PLoS: Public Library of Science
http://www.plos.org/index.php
High Wire Press
http://highwire.stanford.edu/
PubMed Central ( PMC)
http://www.pubmedcentral.nih.gov/
 
 
 
Indian Journals
Indian Academy of Sciences (11)
http://www.ias.ac.in/pubs/journals
Indian National Academy of Sciences(4)
http://www.insa.ac.in
Indian MEDLARS Centre ( NIC)
http://medind.nic.in/
Medknow Publications
http://www.medknow.com/journals.asp
Indianjournals.com
http://www.indianjournals.com
E-print archives
International
Arxive.org
http://arxiv.org/
CogPrints.org
http://cogprints.org/
RePEc
http://repec.org/
DLIST
http://dlist.sir.arizona.edu/
Indian 
Librarian’s Digital Library (LDL)
http://drtc.isibang.ac.in/DRTC/index.html
OpenMed@NIC
http://openmed.nic.in

 
 

 
Institutional Repositories
International

OAIster

http://oaister.umdl.umich.edu/o/oaister/
 
Indian

Cross Archives Search Services for Indian Repositories (CASSIR)
http://ardb4.ncsi.iisc.ernet.in/oai
ETDs
International
NDLTD (ETD Union Catalogue)
http://zippo.vtls.com/cgi-bin/ndltd/chameleon
 
 
Indian
INFLIBNET Theses Database
http://dspace.inflibnet.ac.in
Vidyanidhi
http://www.vidyanidhi.org.in
Open Access Sources: Secondary Sources
Journals

Directory of Open Access Journals (DOAJ)

http://www.doaj.org/

Open J-Gate
http://openj-gate.com/

Repositories/ETDs

Open DOAR
http://www.opendoar.org/

ROAR: Registry of Open Access Repositories
http://archives.eprints.org/

Open Access News Sources

Sources to Keep updated about OA

Open Access News
http://www.earlham.edu/~peters/fos/fosblog.html

OA LibrarianBlog
http://oalibrarian.blogspot.com/

SPARC Open Access Newsletter
http://www.earlham.edu/~peters/fos/nesletter/archive.htm