Freely accessible database with bibliometric information for ranking scientific journals. SCImago uses its own mechanism, based on Google's Pagerank, to rank scientific journals in the fields of natural sciences, engineering, medicine (STM) and social sciences. Based on journal and country-specific indicators recorded in the Scopus scientific database, the citation frequency of publications is analyzed and journals are ranked on this basis.

SciPost is a complete scientific publication portal managed by and for scientists. It is purely online-based, and offers freely, openly, globally and perpetually accessible science (open access). Preprint handling and circulation occurs through the well-established arXiv; the rest of the publication process, from peer refereeing through publication all the way to post-publication commenting, is offered by SciPost. SciPost does not charge individual author fees, the Max Planck Society is a supporting partner of the project.

Sciwheel is an advanced reference management system that provides assisting tools for discovery of research works, reading, annotation, as well as scientific and collaborative writing. It features a web-based application, a browser extension, citation tools for Microsoft Word and Google Docs, and a mobile application.

Scopus is a large abstract and citation database of peer-reviewed literature, including scientific journals, books and conference proceedings, covering research topics across all scientific and technical disciplines, ranging from medicine and social sciences to arts and humanities. Further, with smart tools totrack, analyze and visualize research, Scopus empowers you to advance your science beyond the text.

The service "SIAM Journals Online" (SJO) provides access to the full texts of the 14 SIAM journals and to a database covering these journals.

Archive of "SIAM Journals Online" covering 17 journals.

SocArXiv, open archive of the social sciences, provides a free, non-profit, open access platform for social scientists to upload working papers, preprints, and published papers, with the option to link data and code. SocArXiv is dedicated to opening up social science, to reach more people more effectively, to improve research, and build the future of scholarly communication.

The SSCI part in the Web of Science™ Core Collection provides researchers with access to the world's leading bibliographic and citation databases. This database covers some 2,474 of the world's leading journals of social sciences across more than 50 disciplines A unique feature of the WoS is that from any bibliographic record in the database links are available to its cited references, to related articles and to citing articles. In some instances additional links (e.g. to the journal impact factor) may also be available.

SocioHub – ist das Portal des Fachinformationsdienstes Soziologie – es dient als zentrale Anlaufstelle für Ihre Literatursuche, Kommunikation und Information. Anstatt mehrere Webseiten besuchen zu müssen befinden sich hier alle Bereiche auf einer Plattform – direkt auf die Bedürfnisse der Soziologie zugeschnitten.

The SPIE Digital Library is an extensive resource available on optics and photonics, providing access to technical papers from SPIE Journals and Conference Proceedings from 1962 to the present. More than 18,000 new technical papers are added annually. The current subscription provides Max Planck researchers with full text access to all SPIE journals and proceedings. In addition, the Max Planck Society covers article-processing charges for the SPIE journals. Further details are available on the MPDL website.

The journal collection on the SpringerLink platform includes more than 2,500 English-language and close to 200 German-language journals. The current subscription provides Max Planck researchers with full text access to nearly the entire journal collection. In addition, the Max Planck Society covers article-processing charges in line with the SpringerOpen and the Springer Open Choice programmes. Further details are available on the MPDL website.

Springer Nature publishes the largest available collection of reproducible laboratory protocols and methods for the life sciences. The Experiments platform provides accees to the content from SpringerProtocols, Nature Methods, Nature Protocols and Protocol Exchange through a single easy-to-use platform, designed to save researchers' time.

SSOAR collects electronic full texts from the domain of the Social Sciences and makes these texts available according to the Berlin Declaration on Open Access to Scientific Knowledge.

Taylor & Francis Online is the journal content platform for the Taylor & Francis Group and gives online access to more than 2,500 journals from all scientific disciplines. Since acquiring Routledge in 1997, the Taylor & Francis Group has purchased many small and medium sized publishing companies, including: Brunner-Routledge, Brunner-Mazel, CRC Press, Frank Cass, Future Science Group, Marcel Dekker, Martin Dunitz, Landes Bioscience (acquired in 2014), Lawrence Erlbaum Associates (acquired in 2006), Parthenon Publishing, Spon Press, Taylor Graham Journals, and Haworth Press. Max Planck researchers have full text access to the current volumes of more than 2,000 core journals (full text access given back to 1997, where available) and to selected archive content. In addition, the Max Planck Society covers article-processing charges for Max Planck authors centrally. Further details are available on the MPDL website.

The Nation Digital Archive contains indexing, abstracting and full text for the complete archive of The Nation, beginning with its first issue in 1865 and ending in December 2010. The Nation is America's oldest weekly magazine and one of its premier journals of opinion since its inception. The Nation has long been regarded as one of the country's definitive journalistic voices of writing on politics, culture, books, and the arts, and continues to stand as the independent voice in American journalism. Because of its left-wing liberal attitude the archive offers important source material to obtain a broad overview of diverse views on political and social topics, especially compared to other American media. Additionally, reviews of books, plays and films provide interesting material for cultural studies.

The New Republic Archive comprises all editions of the journal "The New Republic" in full text, from its first edition in 1914 until 2010. It is a political and cultural paper which in its essays, comments, and analyses deals both with internal and foreign political topics concerning the USA, and with cultural and educational policy, art and literature. Among its authors are many excellent journalists and writers. Whereas regarding internal politics its orientation is predominantly left-wing, its attitude towards foreign affairs is more conservative.

Access to full text archives (incl. 2007) of selected titles with a subject focus on medicine, chemistry and biology has been enabled.

Casalini libri's full text platform offers access to over 29,000 ebooks and 840 ejournals from more than 200 Italian, Spanish, French and Portuguese publishers. Max Planck users have access to: * EIO Monographs - a collection of 1,500 monographs and proceedings in humanities and social sciences from academic publishers in Italy. * EIO Periodicals Archive - pre-2011 content of 221 academic journals published by various Italian publishers.

Archive of 15 periodicals and proceedings published online by Trans Tech Publications during the period between 1984 and 2022. The archive - with its broad subject diversity and its renowned journals indexed in well-established databases (e.g. Material Science Forum, Defect and Diffusion Forum, Key Engineering Materials) - is a valuable platform for the bibliographic retrieval of scientists, especially in the field of modern solid state and materials science.

The goal of this database is to provide researchers with an opportunity to cross-search the contents of major Russian periodicals on social sciences and humanities. It is comprised of journals of the Russian Academy of Sciences ranging from archeology to linguistics, as well as popular literary editions, and independent scholarly publications. New titles are added on a regular basis. This Universal Database grows retroactively. Full-text and full-image content of print editions is reproduced with original pagination.