PubMed

A free search engine to search about medicine and biomedical journal literature. It searches several databases and interfaces Medline, directly. This search engine maps user’s search terms to the Medical subject heading (Mesh) and text words in Medline records and then searching. The PubMed offers users numerous powerful search filters to limit their searches and gives them desirable retrieval information.

Science Direct

One of the greatest bibliographic and full text electronic collections about science, technology and medicine. Also we can have an exact searching with regard to limitations and abilities that is offered by Science Direct.

Scopus

Abstracting and indexing database of scientific, technical, medical and social science literature. Includes peer-reviewed titles from international publishers, Open Access journals, conference proceedings, trade publications, patent records and quality web sources. Seamless links to full text sources where the library holds a subscription.

Web of Science

An online subscription-based scientific citation indexing service maintained by Thomson Reuters that provides a comprehensive citation search. It gives access to multiple databases that reference cross-disciplinary research, which allows for in-depth exploration of specialized sub-fields within an academic or scientific discipline.

Wiley online library

Wiley online library is an extensive multidisciplinary collection of online resources covering life, health and physical sciences, social science, and the humanities. It offers integrated access to more than 4 million articles from 1,500 journals, 9,000 books, and hundreds of reference works, laboratory protocols, encyclopedias, databases and handbooks.

ProQuest

For academic, corporate, government, school and public libraries, as well as professional researchers, ProQuest provides services that enable strategic acquisition, management and discovery of information collections. The library includes diverse spectrum of studies: business, political sciences, fiction, psychology, medicine and social sciences, art, history, etc. It also offers access to wide range of popular academic subjects and contains more than 5,000 academic journal titles, specific publications and diversified list of newspapers – full texts among them.

CiteSeer^x

A digital library and an online academic journal that offer information within the field of computer science. It indexes academic resources through autonomous citation indexing system. This academic database is particularly helpful for students seeking information on computer and information sciences. It offers many other exclusive features to facilitate the students with the research process that include: ACI – Autonomous Citation Indexing, reference linking, citation statistics, automatic metadata extraction and related documents. Founded in 1998, it is the first online academic database and has since evolved into a more dynamic and user-friendly academic search engine.

HINARI

Set up by WHO together with major publishers, enables developing countries to gain access to one of the world’s largest collections of biomedical and health literature. More than 8,500 journals and 7000 e-books (in 30 different languages) are now available to health institutions in more than 100 countries, areas and territories benefiting many thousands of health workers and researchers, and in turn, contributing to improve world health. HINARI Access to Research in Health Programme provides free or very low cost online access to the major journals in biomedical and related social sciences to local, not-for-profit institutions in developing countries.

EBSCO Discovery Service

Offers streamlined access to all of your library's resources from a single search. Offering extensive bibliographic indexing of core scientific literature, this database provides multidisciplinary and multilingual coverage for science, technology, and medicine with special emphasis on European content. With superior relevance and value ranking, basic and advanced search tools, and open and flexible customization options, EDS is the ideal platform for all library users, including:

• Undergraduate students performing simple searches
• Post-graduate researchers, experienced scholars and professionals conducting multi-tiered research
• School and public libraries whose students and patrons look for credible information and in-depth resources

PLOS ONE

Founded in 2006, PLOSE ONE provides a free access platform to everyone searching for science-related information. All the articles publish on PLOS ONE are published after going through a strict peer-reviewed process. This academic database has a meticulous procedure for publishing a journal. You can find plenty of articles and academic publications using this platform.