The ACM Digital Library is a research, discovery and networking platform containing the fulltext collection of all ACM publications, including journals, conference proceedings, technical magazines, newsletters and books. The MPG subscription provides access to nearly the entire ACM Digital Library, excluding the ACM Books series content. In addition, the Max Planck Society covers open access publication charges for Max Planck affiliated corresponding authors. Further details are available on the MPDL website.

Cogitatio is an academic and community-oriented publisher based in Lisbon, which was founded in 2014 with the aim of promoting the open access dissemination of scientific knowledge. Cogitatio currently publishes 4 peer-reviewed Open Access journals focusing on research in the social sciences and humanities. From January 1, 2023, the Max Planck Society covers article-processing charges for Max Planck authors centrally. Further details are available on the MPDL website.

The CogNet Library is a growing, searchable collection of books, journals, reference works, OpenCourseWare links and conference materials. Content and resources are provided by The MIT Press and other publishers, professional associations, institutions, and individuals who are willing to share public access to online work.

The "Eurographics Digital Library Archive" is freely accessible regarding the bibiographic and the metadata content. Only the access to most of the full-text documents is restricted to a subscription. - Content: Among other things tutorials, database files, dissertations, papers of a journal, as well as proceedings of conferences, workshops, and symposia.

SAGE Journals Online provides access to more than 1000 journals with a coverage spanning the humanities, social sciences, and science, technology, and medicine. Max Planck researchers have full text access to a multidisciplinary selection of the full journal collection. In addition, the agreement covers article-processing charges for Max Planck authors in Gold Open Access journals and in hybrid titles in the SAGE Premier package. Further details are available on the MPDL website.

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.

The SSRN eLibrary consists of two parts: an Abstract Database containing abstracts on over 60,500 scholarly working papers and forthcoming papers and an Electronic Paper Collection currently containing over 38,400 downloadable fulltext documents in Adobe Acrobat pdf format. The eLibrary also includes the research papers of a number of Fee Based Partner Publications.