Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
6,258
Natural Environment Research Council: NERC Open Research Archive
1,380
PANGAEA - Data Publisher for Earth & Environmental Science
1,204
Directory of Open Access Journals: DOAJ Articles
822
Unknown
740
Zenodo
487
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
455
Cambridge University Press
451
IEDA: Marine-Geo Digital Library (via DataONE)
428
ScienceDirect (Elsevier - via Crossref)
391
Springer Nature (via Crossref)
322
Digital.CSIC (Spanish National Research Council)
296
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
286
PubMed Central (PMC)
261
Copernicus Publications: E-Journals
207
Wiley Online Library
186
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
184
Open Parks Network
178
Frontiers: Figshare
177
Niedersächsisches Online-Archiv NOA
142
Wiley Online Library (via Crossref)
142
ScienceDirect (Elsevier)
130
University of Southampton: e-Prints Soton
118
MDPI Open Access Publishing
117
Université de Nantes: HAL-UNIV-NANTES
115
University of California: eScholarship
111
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
109
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
109
eCite UTAS (University of Tasmania)
107
Institut national des sciences de l'Univers: HAL-INSU
102
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
91
Frontiers (Publisher)
90
Vernadsky National Library of Ukraine: DSpace
88
Utrecht University Repository
82
LeibnizOpen (The Leibniz Association)
79
National Institute of Polar Research Repository, Japan
77
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
75
IEDA: US Antarctic Program Data Center (via DataONE)
74
Dryad Digital Repository (Duke University)
73
Research Data Australia (Australian National Data Service - ANDS)
70
Arctic Data Center (via DataONE)
69
University of Alberta: Era - Education and Research Archive
68
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
65
HighWire Press (Stanford University)
65
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
63
University of Tasmania: UTas ePrints
61
University of East Anglia: UEA Digital Repository
60
Australian National University: ANU Digital Collections
58
Universidad Nacional de La Plata (UNLP): SeDiCI (Servicio de Difusión de la Creación Intelectual)
58
Ghent University Academic Bibliography
56
more ...