The database OLC Environment is a subject oriented selection of bibliographic data from the Online Contents database that is regularly enhanced by table of contents data from additional periodicals out of the special collections of the TIB Hannover, the central subject library of Germany for technology and their related subjects, especially chemistry, computer science, mathematics and physics. Currently 514 journals are being indexed back to the year of publication in 1993.

The Online Contents service of the Special Subject Collection Political Science and Peace Research is part of the Online Contents database. It offers access to tables of contents of more than 870 journals relevant for study and research. New journals were added until December 2013 by the Special Subject Collection. Thus the database contains approximately 1.478,600 records of journal articles and reviews.

OLC Psychology is a subject oriented selection of bibliographic data from the Online Contents database. This database is regularly enhanced by table of contents data from additional periodicals out of the special collections of the Saarland University and State Library (SULB) Saarbrücken, the central subject library for Psychology in Germany. Currently 878 journals are being indexed back to the year of publication in 1993.

Various dictionaries are available.

Project Gutenberg is a volunteer effort to digitize and archive cultural works. Founded in 1971 by Michael Hart, it is the oldest digital library. Project Gutenberg's mission is "To encourage the creation and distribution of eBooks".

Refubium is a service of the university library of the Freie Universität Berlin. As an institutional repository it collects documents, dissertations, postdoctoral theses, and research data.

RiffReporter is a German news magazine based in Berlin and was founded in 2017. RiffReporter delivers in-depth and thoroughly researched journalistic content on topics such as environment, science, technology, society and global affairs. The cooperatively run journalism portal was awarded the renowned Grimme Online Award in 2018. The MPG subscription covers full text access to all content available on the RiffReporter platform.

The research database "Scholarly Journals and Newspapers in the Age of Enlightenment", conducted by the Göttingen Academy of Sciences, provides an extensive systematic index to German-language periodicals of the 18th century. It is based on the long-term research project "Scholarly Journals and Newspapers", which besides indexing and digitizing these scholarly journals aims to visualize their significant role for the emergence and structures of the "Enlightened scientific community". The project focuses on interdisciplinary journals, comprising of original contributions, book reviews, scholarly news as well as all facets of critique. The interactive online database also includes the data of the two previous research projects "Index of German-language Periodicals" (IdZ 18) and "Systematic Index of German-language Review Journals" (IdRZ 18). By the year 2025, it will give access to 323 periodicals (ca. 2,775 volumes and ca. 1,260,000 pages), spanning the time period 1688-1815.

The SpringerLink platform provides MPG staff with access to a huge collection of English and German eBooks from 2005 onwards, as well as the English and the German collection of the Springer Book Archive (1842-2004). In addition, the content of selected book series is available. Includes major reference works and dictionaries. Max Planck researchers who publish a monograph or edited volume with Springer Nature as an Open Access eBook receive a discount on the standard Book Publishing Charge. MPDL covers the costs remaining on a pro rata basis. Further details are available on the MPDL website.

Das Statistik-Portal bündelt statistische Daten verschiedener Institute und Quellen. Es werden Statistiken zu über 80.000 Themenbereichen aus 22 verschiedenen Branchenkategorien aus mehr als 22.500 Quellen verfügbar gemacht. Der Fokus des internationalen Datenbestandes liegt auf den Ländern USA/China/UK/D-A-CH.

The BSZ develops and maintains the SWB database in cooperation with 1,200 libraries in Baden-Württemberg, Pfalz, Saarland and Sachsen. The online catalog offers bibliographic data free of charge: Monographs, periodicals, articles, loose-leaf collections, off-prints, conference proceedings, university publications, reviews, abstracts, tables of contents, maps, music, audiovisual material, microforms, electronic resources (data media), online resources; scientific and popular literature from all subjects and in all languages from the 15th century to the present; scientific literature (according to the DFG special subject fields programme) from theology, ancient orient, art, music, archeology, law and criminology;

The Umwelt-Online platform contains all relevant legal regulations on topics such as environmental protection, occupational safety, transport of dangerous goods, hazardous materials and systems engineering. The content is continuously updated. Die Plattform Umwelt-Online enthält alle relevanten rechtlichen Regelungen zu den Themen Umweltschutz, Arbeitssicherheit, Gefahrguttransporte, Gefahrstoffe, Anlagentechnik und Anlagensicherheit. Die Inhalte werden kontinuierlich entsprechend den Veröffentlichungen der Regelungsgeber aktualisiert.

In addition to the 75.000 prints belonging to the basic content, VD16 comprises a supplement of more than 25.000 new titles. New titles are added continuously through acquisitions by the Bayerische Staatsbibliothek for the Collection of German Prints, as well as through data provided by national and foreign libraries.

The vifabio portal offers rapid access to biological literature and information. It offers a parallel search in various biologically relevant library catalogues, bibliographic databases, and the internet guide (a collection of selected, quality controlled internet sources).

wiso Fachzeitschriften enables full text access to industry and market information from a wide range of (mostly German) journals and business publications. An overview of included resources is available via https://www.wiso-net.de/sourceInformation/categoryNavigation?searchId=%3A3%3AFZS.

SOFIS contains descriptions of planned, on-going and completed (in the last 10 years) research projects from the Federal Republic of Germany, from Austria and Switzerland (more than 50,000 records in January 2014). SOFIS enthält ausführliche Beschreibungen von geplanten, laufenden und in den letzten zehn Jahren abgeschlossenen Forschungsarbeiten aus der Bundesrepublik Deutschland, aus Österreich und der Schweiz (Bestand Januar 2014: über 50.000 Projekte).

About 450,000 social science publications are presented together in SOLIS with a short description of the contents (January 2014). 15,000 new references are added annually. There are web links to full text entries for more than 25,000 references to new publications: included therein are articles in online journals, research reports - predominantly from institutional series -, as well as congress reports and dissertations. Rund 450.000 sozialwissenschaftliche Veröffentlichungen werden in SOLIS mit einer kurzen Inhaltsangabe vorgestellt (Stand Januar 2014). Jährlich kommen ungefähr 15.000 neue Nachweise hinzu. Bei rund 25.000 Nachweisen neuerer Veröffentlichungen sind Links zu Volltexten im Web enthalten: Es handelt sich dabei um Artikel in Online-Zeitschriften, um Forschungsberichte - überwiegend aus Institutsreihen - sowie einige Kongressberichte und Dissertationen.

The ZDB is the world’s largest specialized database for serial titles (journals, annuals, newspapers etc., incl. e-journals). The ZDB contains more than 1 million bibliographic records of serials from the 16th century onwards, from all countries, in all languages, held in 4000 German (and some foreign) libraries, with holdings information. It does not index individual journal articles.

This database contains references to 185.858 articles of educational relevance from domestic and foreign journals and newsletters. All education areas are covered: kindergarten, school, job training, academy, further training, discussions and decisions of matters of education policy. The database was concluded on 30 April 2015 and is no longer updated, but the archive is still available for document ordering. -- In dieser Datenbank sind 185.858 bildungsrelevante Artikel aus in- und ausländischen Zeitungen und Newslettern nachgewiesen und mit Schlagwörtern erschlossen. Dabei werden alle Bildungsbereiche - vom Kindergarten über Schule, Berufliche Bildung, Hochschule, Weiterbildung bis hin zu bildungspolitischen Diskussionen und Entscheidungen - abgedeckt. Die Datenbank wurde am 30.04.2015 abgeschlossen und wird nicht mehr aktualisiert. Das Archiv steht weiterhin für Kopienbestellungen zur Verfügung.