Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
2,431
PANGAEA - Data Publisher for Earth & Environmental Science
2,270
Directory of Open Access Journals: DOAJ Articles
1,601
DataCite
1,086
PubMed Central (PMC)
926
Wiley Online Library
632
Unknown
622
LeibnizOpen (The Leibniz Association)
537
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
516
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
509
Springer Nature (via Crossref)
446
Institut national des sciences de l'Univers: HAL-INSU
378
Copernicus Publications: E-Journals
373
ScienceDirect (Elsevier - via Crossref)
312
Université de Nantes: HAL-UNIV-NANTES
299
HAL Sorbonne Université
296
eCite UTAS (University of Tasmania)
245
ScienceDirect (Elsevier)
228
Niedersächsisches Online-Archiv NOA
225
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
186
Oxford University Press
183
University of Southampton: e-Prints Soton
174
The University of Queensland: UQ eSpace
171
Digital.CSIC (Spanish National Research Council)
168
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
161
The Royal Society
148
MDPI Open Access Publishing
147
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
144
University of California: eScholarship
140
PLOS
132
Western Washington University: CEDAR (Contributing to Education through Digital Access to Research)
131
University of Tasmania: UTas ePrints
119
Université de Bretagne Occidentale: HAL
105
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
103
IRIS Università degli Studi di Palermo
100
Natural Environment Research Council: NERC Open Research Archive
98
ScholarsArchive@OSU (Oregon State University)
94
The University of Adelaide: Digital Library
90
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
83
University of St Andrews: Research Portal
83
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
83
University of Washington, Seattle: ResearchWorks
81
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
79
Plymouth Marine Science Electronic Archive (PlyMSEA - Plymouth Marine Laboratory, PML)
76
Muséum National d'Histoire Naturelle (MNHM): HAL
75
Universidade do Algarve: Sapienta
68
Zenodo
66
HighWire Press (Stanford University)
65
Archives ouvertes de Paris-Saclay
61
University of Bristol: Bristol Research
61
more ...