Content Provider
Directory of Open Access Journals: DOAJ Articles
4,918
Wiley Online Library
2,960
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
2,415
Institut national des sciences de l'Univers: HAL-INSU
1,798
Unknown
1,760
Université de Nantes: HAL-UNIV-NANTES
1,523
DataCite Metadata Store (German National Library of Science and Technology)
1,495
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1,475
Digital.CSIC (Spanish National Research Council)
1,352
Springer Nature (via Crossref)
1,321
Niedersächsisches Online-Archiv NOA
1,303
ScienceDirect (Elsevier - via Crossref)
1,297
LeibnizOpen (The Leibniz Association)
1,291
Natural Environment Research Council: NERC Open Research Archive
1,046
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
1,033
University of Southampton: e-Prints Soton
1,007
DataCite
912
ScienceDirect (Elsevier)
891
Cambridge University Press
812
HAL Sorbonne Université
740
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
703
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
675
Max Planck Society: MPG.PuRe
644
University of California: eScholarship
602
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
600
Instituto Español de Oceanografía: e-IEO
553
CentAUR: Central Archive at the University of Reading
541
University of St Andrews: Research Portal
541
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
517
Zenodo
464
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
453
Université de Bretagne Occidentale: HAL
424
RePEc (Research Papers in Economics)
399
École Polytechnique, Université Paris-Saclay: HAL
397
Archives ouvertes de Paris-Saclay
376
Oxford University Press
368
Frontiers (Publisher)
345
University of East Anglia: UEA Digital Repository
342
Muséum National d'Histoire Naturelle (MNHM): HAL
332
ORA - Oxford University Research Archive
326
Université de Paris: Portail HAL
321
University of Copenhagen: Research
317
SAGE Publications
309
University College London: UCL Discovery
303
Aarhus University: Research
297
University of Bergen: Bergen Open Research Archive (BORA-UiB)
290
AAAS Resource Center (American Association for the Advancement of Science)
279
University of the Highlands and Islands: Research Database of UHI
275
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
272
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
265
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