Directories and Subject gateways
http://www.onlinecollege.org/2009/11/11/100-excellent-open-access-journals-for-educators/
All these journals provide scholarly information at no cost for educators.
http://www.ajol.info/
African Journals Online (AJOL) is the world's largest and pre-eminent collection of peer-reviewed, African-published scholarly journals.
http://www.omicsonline.org/open-access-journals-list.php#E
OMICS International hosts over 700 leading-edge peer reviewed Open Access Journals and organizes over 1000 International Conferences annually all over the world.
http://blds.ids.ac.uk/resources-for-research
BLDS E-library contains a wide range of different kinds of online information resources relevant to development issues and the majority of these are open access.
https://ideas.repec.org/
It is a largest bibliographic database dedicated to Economics and available freely on the Internet. Over 1,800,000 items of research can be browsed or searched, and over 1,700,000 can be downloaded in full text.
http://eifl.net/programmes/open-access-programme
EIFL (Electronic Information for Libraries) is a not-for-profit organization that works with libraries to enable access to knowledge in developing and transition economy countries in Africa, Asia Pacific, Europe and Latin America. It works with libraries to enable access to knowledge for education, learning, research and sustainable community development.
http://home.highwire.org/
High Wire Press partners with independent scholarly publishers, societies, associations, and university presses to facilitate the digital dissemination of more than 3000 journals, books, reference works, and proceedings.
http://www.inasp.info/en/about/
INASP is an international development charity working with a global network of partners to improve access, production and use of research information and knowledge, so that countries are equipped to solve their development challenges.
https://openknowledge.worldbank.org/
World Bank provides free and open access to a number of reports.
http://www.oajse.com
This is an Open Access Journals Search Engine (OAJSE). This site provides open access to all subject journals in the world (excluding India) and can search articles I open acess journals directly.
ROAD
http://road.issn.org/en
It is a directory of open access scholarly resources