Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
15,578
Unknown
373
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
293
PANGAEA - Data Publisher for Earth & Environmental Science
269
Université de Nantes: HAL-UNIV-NANTES
224
Directory of Open Access Journals: DOAJ Articles
210
Research Data Australia (Australian National Data Service - ANDS)
205
Zenodo
192
Natural Environment Research Council: NERC Open Research Archive
122
eCite UTAS (University of Tasmania)
121
National Institute of Polar Research Repository, Japan
120
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
112
Institut national des sciences de l'Univers: HAL-INSU
110
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
108
University of Tasmania: UTas ePrints
103
PubMed Central (PMC)
67
Copernicus Publications: E-Journals
60
University of Southampton: e-Prints Soton
59
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
57
National Institute of Oceanography, India: Digital Repository Service (DRS@nio)
49
NOAA NCEI Environmental Data Archive (via DataONE)
47
ScienceDirect (Elsevier - via Crossref)
44
Digital.CSIC (Spanish National Research Council)
43
Frontiers: Figshare
43
Cambridge University Press
42
Springer Nature (via Crossref)
40
Australian National University: ANU Digital Collections
39
Stellenbosch University: SUNScholar Research Repository
39
Niedersächsisches Online-Archiv NOA
38
Defense Technical Information Center: DTIC Technical Reports database
37
Indian Academy of Sciences: Publication of Fellows
36
HAL - Université de La Rochelle
33
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
30
Université de Bretagne Occidentale: HAL
29
HAL Sorbonne Université
28
Indian Institute of Geomagnetism (IIG): Repository
28
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
25
Ministry of Earth Sciences, Government of India: Open Access Digital Repository
25
University of California: eScholarship
25
University of Cape Town: OpenUCT
25
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
25
WikiBooks - Open-content textbooks
22
HighWire Press (Stanford University)
21
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
21
University of East Anglia: UEA Digital Repository
21
Max Planck Society: MPG.PuRe
20
University of Pretoria: UPSpace
20
GFZ Data Services (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
19
Archive Ouverte de l'Université Rennes (HAL)
18
Magnolia press
18
more ...