Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4,022
Research Data Australia (Australian National Data Service - ANDS)
309
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
247
Natural Environment Research Council: NERC Open Research Archive
240
Zenodo
110
Unknown
106
NASA Technical Reports Server (NTRS)
89
Frontiers: Figshare
84
ArXiv.org (Cornell University Library)
71
Digital.CSIC (Spanish National Research Council)
61
University of California: eScholarship
49
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE)
48
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
48
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
42
University of Southampton: e-Prints Soton
41
NOAA NCEI Environmental Data Archive (via DataONE)
38
Frontiers (Publisher)
37
W&M ScholarWorks
34
IEDA: US Antarctic Program Data Center (via DataONE)
33
Dryad Digital Repository (Duke University)
31
University of East Anglia: UEA Digital Repository
29
University of Nebraska-Lincoln: DigitalCommons@UNL
27
University of Tasmania: UTas ePrints
26
Springer Nature (via Crossref)
24
Digital Commons University of South Florida (USF)
21
University of South Florida St. Petersburg: Digital USFSP
19
Old Dominion University: ODU Digital Commons
18
EPFL Infoscience (Ecole Polytechnique Fédérale Lausanne)
17
ScholarsArchive@OSU (Oregon State University)
17
James Cook University, Australia: ResearchOnline@JCU
16
University of Rhode Island: DigitalCommons@URI
16
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
15
Cardiff University: ORCA (Online Research @ Cardiff)
14
Data Archiving and Networked Services (DANS): EASY (KNAW - Koninklijke Nederlandse Akademie van Wetenschappen)
13
University of Colorado, Boulder: CU Scholar
13
Biodiversity Heritage Library (BHL)
10
DRO - Deakin Research Online
10
DigiTool Collections - The University of Auckland
10
LSU Digital Commons (Louisiana State University)
10
National Library of Australia: Digital Collections
10
Utah State University: DigitalCommons@USU
10
Australian National University: ANU Digital Collections
9
Portland State University: PDXScholar
9
The University of Maine: DigitalCommons@UMaine
9
The University of Southern Mississippi: The Aquila Digital Community
9
University of Wollongong, Australia: Research Online
9
Augustana College, Illinois: Augustana Digital Commons
8
David Rumsey Historical Map Collection (Cartography Associates)
8
Instituto Español de Oceanografía: e-IEO
8
Publica-SE Portal de Periódicos Científicos da Universidade Federal do Pampa
8
more ...