Academic Search Complete is the  comprehensive scholarly, multi-disciplinary full-text database, with more than 8,500 full-text periodicals, including more than 7,300 peer-reviewed journals. The database offers access to the wide range of titles like New Scientist, Advances in Oceanography & Limnology, American Journal of Reproductive Immunology, Applied Physics Letters, Applied Physics A, B, Cancer Gene Therapy, Journal of Chemical Physics, Journal of Radioanalytical & Nuclear Chemistry and many others. Some titles have embargo period from 6 - 12 month, so the last year is usually unavailable.

Bibliographic database of citations to the agricultural literature created by the National Agricultural Library and its cooperators. Over 2000 journal titles,  theses, patents, software, and technical reports related to agriculture.
AGRICOLA covers all aspects of agriculture and allied disciplines, including animal and veterinary sciences, entomology, plant sciences, forestry, aquaculture and fisheries, farming and farming systems, agricultural economics, extension and education, food andhuman nutrition, and earth and environmental sciences.

ArXiv is an Open Archives Initiative (OAI) compliant archive of electronic preprints in physics, mathematics, computer science, non-linear sciences, quantitative biology and statistics.  The arXiv was developed by Paul Ginsparg and hosted at Los Alamos National Laboratory (known as LANL preprint archive) and now is hosted and maintained by Cornell University. The arXiv is currently funded by Cornell University and by the National Science Foundation.

Bentham Publishers publish over 250 peer-reviewed open access journals since 2007.  The journals cover all major disciplines of science, technology, and medicine.

BioMed Central is open access science publisher of  peer-reviewed scientific journals in all areas of medicine and biology.

Books@Ovid is online collection of core  medical, nursing, and pharmacybooks from various publishers.  The Books@Ovid database includes full text, references, updates, and graphics from some of the most respected sources in medicine, nursing, and pharmacology.

Business Source Complete is the most comprehensive business database, providing collection of most important scholarly business journals, dating back as far as 1886,  enabling access to bibliographic and full-text contents.
More than 1343 peer-reviewed journals, 146 trade journals and general magazines. Additional full-text, non-journal content includes financial data, books, monographs, major reference works, conference proceedings, case studies, investment research reports, industry reports, market research reports, country reports, company profiles, SWOT analyses, faculty seminars (videos), and more.

ChemIDplus is a free, web-based search system that provides access to structure and nomenclature authority files used for the identification of chemical substances cited in National Library of Medicine (NLM) databases.

CINAHL with Full Text is the most comprehensive source of full text for nursing &  health journals, offering full text for more than 600 journals. This authoritative file contains full text for many of the most used journals in the CINAHL index - with no embargo. Full-text coverage dates back to 1981.

DOAJ  is a comprehensive collection of free, full text, scientific and scholarly journals in many languages. The Directory aims is to  cover all open access scientific and scholarly journals that use a quality control system to guarantee the content and  to increase the visibility and usage of open access scientific and scholarly journals. 

Offers a broad range of full text and bibliographic research databases which includes Academic Search Complete , Business Source Complete, SocINDEX, CINAHL, ERIC, MEDLINE, Library, Information Science & Technology Abstracts, GreenFILE etc. 

EmeraldInsight provides online access to journals published by Emerald Publishing (MCB University Press), scholarly publisher of journals and books in business, management, society, library and information science,  public policy and education, as well as engineering, applied science and technology.

ERIC is digital library of education literature, very popular on USA, intended for researchers, teachers, librarians, students, and parents as well.

Collection combine data from two print sources:  

• Resources in Education (RIE)
• Current Index to Journals in Education (CIJE)

ERIC provides  access to more than 1.3 million bibliographic records, with thousands of records added every year.
More than 2000 journals are included in the database.

Esp@cenet is non-commercial patent database developed by the European Patent Office (EPO).

Evidence-Based Medicine Reviews (EBMR)  is database aimed to practicing clinicians--physicians, nurses, pharmacists, and allied health professionals--as well as the medical librarians and professional researchers.
EBMR  two leading evidence-based medicine sources:: 

• The Cochrane Database of Systemic Reviews, published by the Cochrane Collaboration, international not-for-profit organisation committed to preparing, maintaining, and disseminating systematic reviews of the effects of health care.
• Best Evidence containing The ACP Journal Club and Evidence-Based Medicine from the ACP and the British Medical Journal Publishing Group.

FSTA (Food Science and Technology Abstracts) brings  information on food science, food technology and nutrition, biotechnology, microbiology, food safety, additives, nutrition, packaging and pet foods. The database includes material from over 4600 serial publications published in up to 40 languages.

Provides a search solely on the scholarly literature across many disciplines and sources, including theses, books, abstracts and articles.

INIS (International Nuclear Information System) open access database coordinated by International Atomic Energy Agency in cooperation with 113 member countries and 19 international organizations. INIS database covers a broad range of subjects in areas on nuclear science and technology.

INSPEC is bibliographic database that covers fields of physics, electrical engineering and electronics, computers and control, information technology;,and mechanical and production engineering. The database contains over 11 million bibliographic abstracts and indexing to journal articles, conference proceedings, technical reports and other literature in the fields of science and technology.
To Croatian users INSPEC is available through Ovid interface.

IOPscience is a platform for IOP journals, providing electronic access to a wide range of journals, dating from 1874 to the present day.

Lexi-PALS (Patient Advisory Leaflets) consists of over 1,450 medication and natural product leaflets, with an additional 600 Spanish language leaflets representing the most subscribed and commonly used medications. Lexi-PAL is available at Health Source: Nursing/Academic Edition baze through EBSCOHost  interface.

Produced by US National Library of Medicine Medline provide quality bibliographic information or articles from academic journals covering medicine, nursing, pharmacy, dentistry, veterinary medicine, and health care.  Medline is available to Croatian scientific community through Ovid, EBSCOHost i PubMed. MEDLINE uses Medical Subject Headings (MeSH) for information retrieval.

Regional Business News provides full text for more than 80 regional US and Canadian business publication.

SocINDEX with Full Text is comprehensive and highest quality sociology research database. The database contains more than 2.1 million records with subject headings from a 20,000+ term sociological thesaurus designed by subject experts and expert lexicographers.
SocINDEX with Full Text contains full text for more than 860 journals dating back to 1908. This database also includes full text for more than 830 books and monographs, and full text for over 16,800 conference papers.

SPIRES-HEP (High-Energy Physics Literature Database) is  maintained  Stanford Linear Accelerator Center (SLAC) since the late 1960s. The database covers particle physics literature and information relevant to high-energy particle physicists. In 1991 it became the first web site in the USA.

USPTO is a patent full-text database with more than  6 000 000 records.