Academic Databases & Search Engine | Free & Subscription

Academic Databases & Search Engines:

Name	Discipline(s)	Description	Access Cost/ Model	Provider(s)
Academic Publications eJournal	Multidisciplinary science (student based)	Student driven research abstracts, posters, articles, science specific search engine, public forum [1]	Free	APeJ search[2]
AGRIS: Agricultural database	Agriculture	Covers agriculture, forestry, animal husbandry, aquatic sciences and fisheries, human nutrition, extension literature from over 100 participating countries. Material includes unique grey literature such as unpublished scientific and technical reports, theses, conference papers, government publications, and more.	Free	Produced by the Food and Agriculture Organization of the United Nations. http://agris.fao.org AGRIS
Analytical sciences digital library	Analytical sciences		Free	National Science Digital Library and the Analytical Chemistry Division of the American Chemical Society[13]
Anthropological Index Online	Anthropology	Index only (no abstracts or full-text).	Free	Royal Anthropological Institute [14]
Arachne	Archaeology, Art history	German language	Free	German Archaeological Institute & the University of Cologne, administered by Reinhard Foertsch[17]
Arnetminer	Computer Science	Online service used to index and search academic social networks	Free	Tsinghua University[18]
arXiv	Physics, Mathematics, Computer science, Nonlinear sciences, Quantitative biology and Statistics		Free	Cornell University[20]
Astrophysics Data System	Astrophysics, Geophysics, Physics		Free	Harvard University[22]
AULIMP: Air University Library's Index to Military Periodicals	Military Science		Free	Air University[24]
BASE: Bielefeld Academic Search Engine	Multidisciplinary		Free	Bielefeld University [25]
Bioinformatic Harvester	Biology, Bioinformatics	A meta search engine for 50 major bioinformatic databases and projects.	Free	Available from Liebel-Lab [9] KIT Karlsruhe Institute of Technology [10]
ChemXSeer	Chemistry		Free	Pennsylvania State University[32]
CHBD: Circumpolar Health Bibliographic Database	Medicine		Free	University of Calgary[36]
Citebase Search	Mathematics, Computer science, Physics	Semi-autonomous citation index of free online research	Free	University of Southampton[37]
CiteSeer	Computer Science	Replaced by CiteSeerX.	Free	Pennsylvania State University[38]
CiteSeerX	Computer Science		Free	Pennsylvania State University[39]
CogPrints: Cognitive Sciences Eprint Archives	Science (General)		Free	University of Southampton[40]
The Collection of Computer Science Bibliographies	Computer science		Free	Alf-Christian Achilles[41]
Directory of Open Access Journals	Journals		Free	Lund University[46]
DBLP	Computer science	Comprehensive list of papers from major computer science conferences and journals	Free	University of Trier, Germany
Dotec-Colombia	Economics	Working papers and articles about economics in Colombia. More than 5,000 documents from more than 50 institutions in the country. Dotec-Colombia automatically links all documents in Repec	Free	Dotec-Colombia [47]
ERIC: Educational Resource Information Center	Education	Education literature and resources. Provides access to over 1.3 million records dating back to 1966.	Free	Produced by the United States Department of Education.[51] Also available by subscription from OCLC, CSA.
FOREASt: Free Open Resources for East Asian Studies	East Asian Studies	Covers over 300 free and open access resources for studying China, Japan, and Korea, including online databases, digital collections, and open access journals.	Free	Internet East Asian Library[53]
Fuse	Business research papers	A business research engine, indexing 728 open-access ejournals and similar open sources. Does not search press releases or trade magazines.	Free	Fuse[54]
GENESIS	Women's history	Descriptions of women's history collections from sources in the UK, as well as women's history websites.	Free	London Metropolitan University[55]
German Education Index	Education	A bibliographical database that provides comprehensive references to all areas of education.	Free	Coordinating Office of the German Education Index[56]
Google Scholar	Multidisciplinary		Free	Google[57]
GoPubMed	Medicine		Free	Transinsight GmbH [58]
HubMed	Medicine	An alternative interface to the PubMed medical literature database	Free	Alf Eaton[59]
Information Bridge: Department of Energy Scientific and Technical Information	Multidisciplinary	The Information Bridge: DOE Scientific and Technical Information provides free public access to over 266,000 full-text documents and bibliographic citations of Department of Energy (DOE) research report literature. Documents are primarily from 1991 forward and were produced by DOE, the DOE contractor community, and/or DOE grantees. Legacy documents are added as they become available in electronic format.	Free	United States Department of Energy, Office of Scientific and Technical Information[61]
Infotopia	Multidisciplinary	United States search engine of academic sites approved by librarians, teachers, and consortia	Free	Dr. Michael Bell[63]
Interred educational search engine	Multidisciplinary	Is a semantic web search engine for education.	Free	Interred[67]
InTechOpen	Multidisciplinary	Open access books and journals in science, technology and medicine.	Free	InTech[68]
Intute	Multidisciplinary	Serves students, teachers, and researchers in UK further education and higher education, offering a selection of around 300,000 academic websites which have been hand-picked and described by subject specialists.	Free	Intute[70]
Intwine	Arts and Humanities	Allows the searching of the full-text of all academic websites catalogued by the Intute arts and humanities service from 2005–2010.	Free	Intwine[71]
JURN	Arts and Humanities	Search and retrieve the full-text of over 3,600 scholarly ejournals in the arts and humanities.	Free	JURN[74]
MedlinePlus	Medicine		Free	Produced by the United States National Library of Medicine, the United States National Institutes of Health, and the United States Department of Health and Human Services[76]
Mendeley	Multidisciplinary	The Mendeley research catalog is a crowdsourced database of research documents. Researchers have uploaded nearly 100M documents into the catalog with additional contributions coming directly from subject repositories like Pubmed Central and Arxiv.org or web crawls.	Free	Mendeley[77]
Microsoft Academic Search	Computer Science and a limited extent on information science	Provides many innovative ways to explore scientific papers, conferences, journals, and authors[81]	Free	Microsoft
NBER: National Bureau of Economic Research	Economics		Free	National Bureau of Economic Research[82]
National Criminal Justice Reference Service[83]	Criminology, Sociology	Abstracts of scholarly journal articles, agency and NGO reports, and conference proceedings	Free	United States Department of Justice, Office of Justice Programs[84]
OAIster	Multidisciplinary		Free	OCLC [86]
Odysci Academic Search	Computer Science, Electrical Engineering and related research topics	A web portal for academic search and rank and technical collaboration, in the computer science, electrical engineering and related research topics.	Free	Odysci [87]
Open Access Journals Search Engine (OAJSE)	Multidisciplinary	Provides Searching and Browsing of Open Access Journals	Free	Open Access Journals Search Engine (OAJSE).[88]
Open J-Gate	Journals	Index of open access journals	Free	Informatics India Ltd.[89]
OpenSIGLE	Grey literature	Indexes European grey literature.	Free	Institut de l'Information Scientifique et Technique[90]
PhilPapers	Philosophy		Free	PhilPapers[93]
PhilSci Archive	Philosophy	Philosophy of science e-print archive	Free	PhilSci Archive[94]
PsychSpider	Psychology	Psychology search engine, which indexes Web content as well as bibliographic (meta-) data. Approximately 1.2 Mio documents from the surface Web and the invisible Web are accessible from a single point of entry.	Free	Produced by the Leibniz Institute for Psychology Information.[96]
PubMed	Medicine		Free	National Institutes of Health and the U.S. National Library of Medicine[100]
PubChem	Chemistry		Free	National Center for Biotechnology Information and the U.S. National Library of Medicine [101]
RePEc: Research Papers in Economics	Economics		Free	Volunteer Collaboration [104]
SafetyLit[106]	Multidisciplinary	Citations and abstracts of journal articles and reports from researchers working in the more than 35 distinct professional disciplines (architecture - zoology) relevant to preventing unintentional injuries, violence, and self-harm.	Free	San Diego State University Graduate School of Public Health[107] and the World Health Organization, Department of Violence and Injury Prevention[108]
Science.gov	Multidisciplinary	A gateway to government science information and research results. Science.gov provides a search of over 45 scientific databases and 200 million pages of science information with just one query, and is a gateway to over 2000 scientific Websites.	Free	Science.gov Alliance, 18 scientific and technical organizations from 14 federal agencies that contribute to Science.gov. United States Department of Energy, Office of Scientific and Technical Information serves as the operating agent for Science.gov.[109]
Science Accelerator	Multidisciplinary	A gateway to results of DOE research and development and major R&D accomplishments of interest to DOE.	Free	United States Department of Energy, Office of Scientific and Technical Information.[110]
Scirus	Science (General)		Free	Elsevier[113]
SearchTeam	Multidisciplinary	Students search together collaboratively for scholarly articles and resources	Free	Zakta[115]
SeDiCI UNLP [116]	Multidisciplinary	Journal articles, conferences' proceedings, theses, pictures and all the Intellectual Creation from the National University of La Plata	Free	National University of La Plata[117]
SSRN: Social Science Research Network	Social science	Contains an abstracts database and a electronic paper collection, arranged by discipline.	Free	Social Science Electronic Publishing, Inc.[120]
SSRRN: Social Science Research Resources Network	Social science	Indexes datasets and statistical codes	Free	Social Science Research Resources Network =[121]
SPIRES-HEP	Physics, (High Energy)		Free	Stanford Linear Accelerator Center & partners [122]
TDG Scholar	Computer science scholarly articles		Free	The Distributed Group[124]
Theological Journals Search	Theology, Religious studies	Allows searching and retrieval of full text articles from over 350 open access journals.	Free	Google[125]
Udemy	Multidisciplinary	Allows anyone to teach and learn online through videos, webinars, forums, and more.	Free	Udemy
VADLO	Biomedicine, Life science	Categories indexed: Protocols, Online tools, Powerpoints, Databases, Software	Free	VADLO[127]
WorldWideScience	Multidisciplinary	WorldWideScience is a global science gateway composed of national and international scientific databases and portals. WorldWideScience accelerates scientific discovery and progress by providing one-stop searching of databases from around the world. Multilingual WorldWideScience provides real-time searching and translation of globally dispersed multilingual scientific literature.	Free	The WorldWideScience Alliance, a multilateral partnership, consists of participating member countries and provides the governance structure for WorldWideScience. United States Department of Energy, Office of Scientific and Technical Information serves as the operating agent for WorldWideScience.[131]
AGRICOLA: Agricultural Online Access	Agriculture		Free & Subscription	Produced by the United States National Agricultural Library. Free access provided by NAL.[8] Subscription access provided by Proquest,[9] OVID.[10]
WorldCat	Multidisciplinary	Unified catalog of member libraries' catalogs	Free & Subscription	OCLC[130]
SpringerLink	Multidisciplinary		Free abstract & preview; Subscription full-text	Springer [123]
BioOne	Biology, Ecology, and Environmental Science	An aggregation of over 78,000 peer-reviewed, full-text articles on current research in Biodiversity Conservation, Biology, Ecology, Plant Sciences, Entomology, Ornithology, and Zoology.	Free Abstract & References, Subscription Collections, and an Open Access Collection	Available from BioOne[28]
Socol@r: Socolar	Multidisciplinary	Scholarly open access resources in different language	Free abstracts; Links to full-text	Socolar[119]
AJOL: African Journals OnLine	Multidisciplinary	Scholarly journals published in Africa[6]	Free abstracts; Subscription full-text	African Journals OnLine[7]
IngentaConnect	Multidisciplinary		Free searching; Subscription full-text	Ingenta[64]
Anthropological Literature	Anthropology	Syllaba Press [15]	Free to Harvard faculty, staff and students. Subscription for non-Harvard access.	Maintained by Harvard University. Non-Harvard access provided by OCLC[16]
JournalSeek	Multidisciplinary	Open access journals in different language	Links to journal's home page and publishers	JournalSeek[72]
Informit	Multidisciplinary	Australasian aggregator of bibliographic databases and journals	N/A	RMIT Publishing[62]
National Diet Library Collection	Multidisciplinary	Japanese. Catalog for the National Library of Japan.	N/A	National Diet Library[85]
Zasshi Kiji Sakuin: Japanese Periodicals Index	Journals	Japanese.	N/A	National Diet Library's Online Catalog,[132] MagazinePlus,[133] CiNii[134]
Academic Search	Multidisciplinary	Several versions: Complete, Elite, Premier, and Alumni Edition[3]	Subscription	EBSCO Publishing [4]
Aerospace & High Technology Database	Aerospace, Aeronautics, Astronautics		Subscription	ProQuest[5]
AgeLine	Sociology, Gerontology	Includes information on aging-related topics, including economics, public health and policy.	Subscription	EBSCO Publishing[8]
Airiti Inc	Multidisciplinary	China, Taiwan.	Subscription	Airiti Inc[11]
Analytical Abstracts	Chemistry		Subscription	Royal Society of Chemistry[12]
eLum Index Online	Anthropology, Archaeology, Sociology	Include full access to electronic documents (eBooks and eJournals) about Anthropology, Archaeology & Sociology Research in Latin America(full-text).	Subscription
Arts & Humanities Citation Index	Arts, Humanities	Part of Web of Science	Subscription	Thomson Reuters[19]
Association for Computing Machinery Digital Library	Computer Science, Engineering		Subscription	Association for Computing Machinery[21]
ATLA Religion Database	Religious studies	Provides information on topics such as biblical studies, world religions, church history, and religion in social issues	Subscription	[23]
Beilstein database	Organic chemistry		Subscription	Available from Elsevier under the product name Reaxys [26]
Biological Abstracts	Biology	A complete collection of bibliographic references covering life science and biomedical research literature published from more than 4,000 journals internationally.	Subscription	Available from Thomson Reuters[27]
Book Review Index Online	Book reviews		Subscription	Thomson Gale[29]
Books In Print	Books		Subscription	R.R. Bowker[30]
Chemical Abstracts Service	Chemistry		Subscription	American Chemical Society[31]
Chinese Social Science Citation Index	Social sciences		Subscription	Nanjing University[33]
Cochrane Library	Medicine, Healthcare	Includes reviews of research to promote evidence-based healthcare.	Subscription	Wiley Interscience[34]
CINAHL: Cumulative Index to Nursing and Allied Health	Nursing, Allied Health		Subscription	EBSCO[35]
Compendex	Engineering	Electronic version of Engineering Index.	Subscription	Elsevier[42]
Current Index to Statistics	Statistics	Limited free search[43]	Subscription	American Statistical Association and the Institute of Mathematical Statistics[44]
Current Contents	Multidisciplinary	Part of Web of Knowledge. Contains 7 discipline-specific subsets.	Subscription	Thompson Reuters[45]
EconLit	Economics	The American Economic Association's electronic database, the world's foremost source of references to economic literature.	Subscription	Produced by the American Economic Association.[48] Available from CSA, DIALOG, OCLC, OVID, and AEA.[49]
EMBASE	Biomedicine, Pharmacology	Biomedical database with a strong focus on drug and pharmaceutical research.	Subscription	Elsevier[50]
Food Science and Technology Abstracts	Food science, Food technology, Nutrition	The world's leading database of information on food science, food technology and nutrition	Subscription	Produced by the International Food Information Service. Access provided by OVID, Web of Knowledge, Dialog, DataStar and STN International[52]
IEEE Xplore	Computer Science, Engineering, Electronics		Subscription	IEEE [60]
Inspec	Physics, Engineering, Computer Science	The leading bibliographic database providing abstracts and indexing to the world's scientific and technical papers in physics, electrical engineering, electronics, communications, control engineering, computing, information technology, manufacturing, production, and mechanical engineering.	Subscription	IET[66]
International Directory of Philosophy	Philosophy	Contains information on university philosophy departments and programs, philosophical societies, research centers, journals, and philosophy publishers around the world.	Subscription	Philosophy Documentation Center[69]
JSTOR: Journal Storage	Multidisciplinary (Historical)		Subscription	JSTOR[73]
LexisNexis	Law (general)	Electronic database for legal and public-records related information	Subscription	Reed Elsevier
MathSciNet	Mathematics	Available in print as Mathematical Reviews	Subscription	American Mathematical Society[75]
Merck Index	Chemistry, Biology, Pharmacology	Also available in print.	Subscription	Produced by Merck & Co.. Available from CambridgeSoft Corporation, Dialog, Knovel, MedicinesComplete, STN International[78]
Meteorological and Geoastrophysical Abstracts	Meteorology, Astrophysics, Geology		Subscription	Produced by the American Meteorological Society. Available from Dialog[79] and CSA.[80]
Philosophy Documentation Center eCollection	Applied ethics, Philosophy, Religious studies	Journals, series, conference proceedings, and other works from several countries.	Subscription	Philosophy Documentation Center[91]
Philosophy Research Index	Philosophy	Index of books, journals, disserations, and other documents	Subscription	Philosophy Documentation Center[92]
POIESIS: Philosophy Online Serials	Philosophy	Journals and series	Subscription	Philosophy Documentation Center [95]
PsycINFO	Psychology	The largest resource devoted to peer-reviewed literature in behavioral science and mental health. It contains over 2.6 million citations and summaries dating as far back as the early 19th century.	Subscription	Produced by the APA.[97] Available from several database vendors.[98]
PSYNDEX	Psychology	PSYNDEX is the most comprehensive abstract database (not full-text) of psychological literature, audiovisual media, intervention programs and tests from the German-speaking countries.	Subscription	Produced by the Leibniz Institute for Psychology Information.[99]
Pubget	Multidisciplinary		Subscription	Pubget
Readers' Guide to Periodical Literature	Journals and Magazines	Coverage: 1983–present.	Subscription	H. W. Wilson Company[102]
Reader's Guide Retrospective: 1890–1982	Journals and Magazines		Subscription	H. W. Wilson Company[103]
Science Citation Index	Science (General)	Part of Web of Science	Subscription	Thompson Reuters[111]
ScienceDirect	Multidisciplinary		Subscription	Elsevier[112]
Scopus	Multidisciplinary		Subscription	Elsevier[114]
Social Science Citation Index	Social science	Part of Web of Science	Subscription	Thompson Reuters[118]
Ulrich's Periodicals Directory	Periodicals		Subscription	Proquest[126]
Web of Knowledge	Multidisciplinary	Includes other products, such as Web of Science, Biological Abstracts & The Zoological Record	Subscription	Thomson Reuters[128]
Web of Science	Science (General)	Includes other products, such as Social Science Citation Index & Science Citation Index.	Subscription	Thomson Reuters[129]
WestLaw	Law (General)		Subscription	Thomson Reuters
Zentralblatt MATH	Mathematics	First three records free without subscription.	Subscription	Springer Science+Business Media[135]
The Zoological Record	Zoology	Unofficial register of scientific names & papers in Zoology. Coverage 1864–present.	Subscription	Thompson Reuters[136]
Indian citation Index (ICI)	Multidisciplinary		Subscription Bibliographical, full-text	ICI[65]
Rock's Backpages	Music	Primary documents from the history of rock and roll	Subscription. Limited free access with registration.	Backpages Limited[105]
Courtsey: http://en.wikipedia.org/