Open Access Databases

Asian Resources for Librarians (aardvarknet.info)
provides links to various free Asian online databases and full-text e-journals.
http://www.aardvarknet.info

Advances in Theoretical and Mathematical Physics
A bimonthly publication of the International Press, publishing papers on all areas in which theoretical physics and mathematics interact with each other.
http://projecteuclid.org/euclid.atmp

BioMed Central
All original research articles published by Biomed Central are made freely and permanently accessible online immediately after publication.
http://www.biomedcentral.com/

D-Lib Magazine
D-Lib Magazine is an electronic publication with a focus on digital library research and development, including new technologies, applications, and contextual social and economic issues.
http://www.dlib.org/

Digital Book Index
provides links to full-text digital books from more than 1800 commercial and non-commercial publishers, universities, and various private sites. More than 140,000 of these books, texts, and documents are available free.
http://www.digitalbookindex.org/

Directory of Open Access Journals (DOAJ)
Free, full-text, quality controlled scientific and scholarly journals, covering all subjects and many languages
http://doaj.org

E-prints to Library and Information Science (E-LIS)
An international digital repository for Library and Information Science (LIS)
http://eprints.rclis.org/

Education Resources Information Center (ERIC)
The world’s largest digital library of education literature
http://eric.ed.gov

Electronic Information for Libraries (eIFL)
Led by Open Society Institute/Soros Foundation Network. It provides links to different full-text journals in the Internet.
http://www.eifl.net/

Free Medical Journals
The Free Medical Journals Site was created to promote the free availability of full text medical journals on the Internet.
http://www.freemedicaljournals.com/

Google Scholar
Find articles from a wide variety of academic publishers, professional societies, preprint repositories and universities.
http://scholar.google.com

HighWire Press Free Online(Internet Imprint of the Stanford University Libraries)
Almost 2 million of free full-text articles and from different HighWire-hosted journals. Covering several subject areas.
Main Site    http://home.highwire.org/
Free Site    http://highwire.stanford.edu/lists/freeart.dtl

OAIster
OAIster is a union catalog of millions of records representing open access resources that was built by harvesting from open access collections worldwide. Today, OAIster includes more than 30 million records representing digital resources from more than 1,500 contributors.
Main Site    http://www.oclc.org/oaister.en.html
Free site    http://oaister.worldcat.org/

Online Books Page
A website that facilitates access to books that are freely readable over the Internet. It also aims to encourage the development of such online books, for the benefit and edification of all.
http://onlinebooks.library.upenn.edu/

PAARL Wiki
A project initiative of the Philippine Association of Academic/Research Librarians (PAARL), this wiki site presents links to vast array of literary resources on library-related subjects.
http://paarl.wikispaces.com/

Philippine Journals (PhilJOL)
a service access to Philippine published research and increase worldwide kowledge of indigenious scholarship. There are 42 journals listed on PhilJOL, 162 Tables of Contents listing 1528 articles and 1204 of the articles are available in full-text.
http://philjol.info

PLoS Journals
Publishes journals from all areas of science and medicine that contain Open Access research articles. The journals vary in their criteria for publication and also publish a variety of influential and educational non-research content. The journals are editorially independent.
http://www.plos.org/publications/journals/

Project Gutenberg
The first and largest single collection of free electronic books.
http://www.gutenberg.org/

PubChem Project
A freely accessible database created by the NIH in 2004 to provide information about small organic molecules. The database connects chemical information with biomedical research, organizing facts in numerous databases into a unified whole.
https://pubchem.ncbi.nlm.nih.gov/

Social Science Research Network
consists of two parts: an Abstract Database containing abstracts on over 40,000 working papers and an E-Paper collection currently containing over 15,000 downloadable full text documents.
http://www.ssrn.com/en/

Super Study Guide
SuperSummary study guides are packed with all the information that you need to get the most out of the books you’re reading.
http://www.supersummary.com/all-study-guides/

Sage knowledge
SAGE Knowledge is home to an expansive range of SAGE eBook and eReference content alongside SAGE Video, containing over 4,600 titles. Content includes reference works, academic books, professional development titles and more. This cross-media platform allows users to search and browse over 10,000 items, video, book and reference titles within the Social Sciences.
http://sk.sagepub.com/