| oc-scoap2017-1 | SCOAP3 2017-2024 |
| oc-scoap2025-1 | SCOAP3 2025-2027 |
| oc-koala2026tib-1 | Koala: Mathematik (TIB) 2026-2028 |
| oc-koala2025tib-1 | Koala: Informatik und Mathematik (TIB) 2025-2027 |
| oc-koala2024tib-1 | Koala: Mathematik und Informatik (TIB) 2024-2026 |
| oc-koala2023tib-1 | Koala: Medienwissenschaften (TIB) 2023-2025 |
| oc-koala2023tib-2 | Koala: Sozialwissenschaften (TIB) 2023-2025 |
| oc-koala2026fidsoz-1 | Koala: SocioHub-Zeitschriftenbündel (FIDSoz) 2026-2028 |
| oc-koala2026fidmedia-1 | Koala: Medienwissenschaft (FIDMedia) 2026-2028 |
| oc-olh-1 | Open Library of Humanities |
| oc-scipost-1 | SciPost |
| oc-plos-1 | PLoS: Global Equity agreements (All) |
| oc-plos-2 | PLoS: Global Equity agreement PLOS Water |
| oc-plos-3 | PLoS: Global Equity agreement PLOS Climate |
| oc-plos-4 | PLoS: Global Equity agreement PLOS Global Public Health |
| oc-plos-5 | PLoS: Global Equity agreement PLOS Mental Health |
| oc-plos-6 | PLoS: CAP |
| oc-plos-7 | PLoS: CAP PLoS Medicine/Biology |
| oc-plos-8 | PLoS: CAP PLoS Medicine |
| oc-plos-9 | PLoS: CAP PLoS Biology |
| oc-plos-10 | PLoS: CAP PLoS Sustainability and Transformation |
| oc-plos-11 | PLoS: Flat fee agreements (all) |
| oc-plos-12 | PLoS: Flatfee PLOS One |
| oc-plos-13 | PLoS: Flatfee PLOS Aging and Health |
| oc-plos-14 | PLoS: Flatfee PLOS Complex Systems |
| oc-plos-15 | PLoS: Flatfee PLOS Computational Biology |
| oc-plos-16 | PLoS: Flatfee PLOS Digital Health |
| oc-plos-17 | PLoS: Flatfee PLOS Ecosystems |
| oc-plos-17 | PLoS: Flatfee PLOS Genetics |
| oc-plos-19 | PLoS: Flatfee PLOS Neglected Tropical Diseases |
| oc-plos-20 | PLoS: Flatfee PLOS Pathogens |
| oc-plos2023tib-1 | PLoS (TIB) 2023-2024 |
| oc-cogitatio-1 | Cogitatio (Institutional Membership) |
| oc-transcript-1 | Transcript: Open Library Politikwissenschaft (Pledging) |
| oc-transcript-2 | Transcript: Open Library Medienwissenschaften (Pledging) |
| oc-doaj-1 | Directory of Open Access Journals (Institutional Support) |
| oc-doab-1 | Directory of Open Access Books (Institutional Support) |
| oc-verfblog-1 | Verfassungsblog (Institutional Support) |
| oc-ems-1 | European Mathematical Society (S2O) |
| oc-datacitetib-1 | Datacite (TIB) (DOI-Konsortium) |
| oc-datacitezbmed-1 | Datacite (ZBMed) (DOI-Konsortium) |
| oc-frontiers2024zbmed-1 | Frontiers (ZBMed) 2024-2026 |
| oc-arxiv-1 | arXiv (Institutional Support) |
| oc-cop-1 | Copernicus (Institutional Membership) |
| oc-cop-2 | Copernicus: Aerosol Research (Institutional Support) |
| oc-edp-1 | EDP Sciences (S2O) |
| oc-msp-1 | MSP Journals (S2O) |
| oc-obp-1 | Open Book Publishers (Institutional Support) |
| oc-iwa-1 | IWA Publishing (S2O) |
| oc-iwa2024horpk-1 | IWA Publishing (horpk) 2024-2026 |
| oc-bmjbsb-1 | BMJ (BSB) (Gold agreements) |
| oc-janeway-1 | Janeway Press (Journal Hosting) |
| oc-ku-1 | Knowledge Unlatched (Pledging) |
| oc-lsp-1 | Language Science Press (Institutional Support) |
| oc-mdpi2025zbmed-1 | MDPI (ZBMed) 2025-2026 |
| oc-oleconzbw-1 | Open Library Economics (ZBW) (Institutional Support) |
| oc-aps-1 | American Physical Society: Physical Review Accelerators and Beams (Institutional Support) |
| oc-duke-1 | Duke University Press: Demography (S2O) |
| oc-oapc-1 | OAPublishing Collective (Institutional Membership, Hosting) |
| oc-oapc-2 | OAPublishing Collective: MedienPädagogik |
| oc-pkp-1 | Public Knowledge Project (Journal Hosting) |
| oc-coara-1 | Coalition for Advancing Research Assessment (Institutional Support) |
| oc-mohr-1 | Mohr Siebeck: Open Access books (Institutional Membership) |
| oc-trs-1 | The Royal Society: Gold OA journals (Institutional Membership) |
| oc-trs-2 | The Royal Society (S2O) |
| oc-aphys-1 | American Physiological Society (S2O) |
| oc-duncker-1 | Duncker und Humblot: Credit and Capital Markets (S2O) |
| oc-duncker-2 | Duncker und Humblot: Journal of Contextual Economics (S2O) |
| oc-ieee-1 | IEEE (Institutional Membership) |
| oc-pensoft-1 | Pensoft (Institutional Membership) |
| oc-pensoft2026bibsam-1 | Pensoft (Bibsam) 2026-2026 |
| oc-philpap-1 | PhilPapers (Institutional Membership) |
| oc-proghist-1 | Programming Historian (Institutional Support) |
| oc-sowidatanet-1 | SowiDataNet (Institutional Membership) |
| oc-berghahn-1 | Berghahn: Berghahn Migration and Development Studies (Knowledge Unlatched pledging) |
| oc-berghahn-2 | Berghahn: Berghahn Open Society (S2O) |
| oc-berghahn-3 | Berghahn: Berghahn Open Anthro (S2O) |
| oc-dtkunst-1 | Deutscher Kunstverlag (S2O) |
| oc-fsteiner-1 | Franz Steiner Verlag (S2O) |
| oc-mit-1 | MIT Press (Direct to Open Initiative D2O) |
| oc-nomos-1 | Nomos (Institutional Membership) |
| oc-oapc-1 | OAPublishing Collective |
| oc-obc-1 | Open Book Collective |
| oc-ophen-1 | Open Commons of Phenomenology (Institutional Support) |
| oc-sparceu-1 | Sparc Europe (Institutional Support) |
| oc-suburban-1 | sub\urban (Institutional Support) |
| oc-dgb-1 | De Gruyter Brill (Institutional Membership) |