Content Provider
LeibnizOpen (The Leibniz Association)
96
Directory of Open Access Journals: DOAJ Articles
61
DataCite Metadata Store (German National Library of Science and Technology)
60
Unknown
45
Arctic Data Center (via DataONE)
43
MDPI Open Access Publishing
29
Zenodo
22
Frontiers: Figshare
18
The Royal Society: Figshare
16
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
15
IEDA: US Antarctic Program Data Center (via DataONE)
11
DIAL@USL-B (Université Saint-Louis, Bruxelles)
10
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
9
PANGAEA - Data Publisher for Earth & Environmental Science
9
Australian National University: ANU Digital Collections
8
Université de Nantes: HAL-UNIV-NANTES
8
Digital.CSIC (Spanish National Research Council)
7
Jagiellonian University Repository
7
National Institute of Polar Research Repository, Japan
7
University of Tasmania: UTas ePrints
7
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
6
University of California: eScholarship
6
Lund University Publications (LUP)
5
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
5
Schulich Scholars (Schulich School of Law, Dalhousie University)
5
The Czech Academy of Sciences: Publication Activity (ASEP)
4
Umeå University: Publications (DiVA)
4
University of Tromsø: Munin Open Research Archive
4
Wageningen UR (University & Research Centre): Digital Library
4
Apollo - University of Cambridge Repository
3
Charles University CU Digital repository
3
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
3
Magnolia press
3
Masaryk University Journals
3
NOAA NCEI Environmental Data Archive (via DataONE)
3
Research Data Australia (Australian National Data Service - ANDS)
3
University of Calgary Journal Hosting
3
Acta Chimica Slovenica (E-Journal)
2
Arctic and Antarctic Research (E-Journal)
2
Carleton University's Institutional Repository
2
Data Science Journal
2
Digital Commons @ American University Washington College of Law
2
HAL - Université de La Rochelle
2
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
2
Jultika - University of Oulu repository
2
The Portal to Texas History (University of North Texas)
2
The University of Manchester: Research Explorer
2
The University of Waikato: Research Commons
2
University of Canterbury, Christchurch: UC Research Repository
2
University of Colorado, Boulder: CU Scholar
2
more ...