Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
246
Directory of Open Access Journals: DOAJ Articles
239
LeibnizOpen (The Leibniz Association)
191
Copernicus Publications: E-Journals
170
Unknown
170
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
155
Natural Environment Research Council: NERC Open Research Archive
120
Niedersächsisches Online-Archiv NOA
98
University of California: eScholarship
94
Research Data Australia (Australian National Data Service - ANDS)
81
eCite UTAS (University of Tasmania)
73
DataCite
72
PANGAEA - Data Publisher for Earth & Environmental Science
62
University of Tasmania: UTas ePrints
59
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
53
Cambridge University Press
53
Institut national des sciences de l'Univers: HAL-INSU
46
Utrecht University Repository
42
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
38
Zenodo
36
Université de Nantes: HAL-UNIV-NANTES
34
PubMed Central (PMC)
33
Northumbria University, Newcastle: Northumbria Research Link (NRL)
31
Apollo - University of Cambridge Repository
30
Université Grenoble Alpes: HAL
27
University of Bristol: Bristol Research
24
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
23
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
22
Delft University of Technology: Institutional Repository
21
University of Liège: ORBi (Open Repository and Bibliography)
21
Caltech Authors (California Institute of Technology)
20
Frontiers: Figshare
20
MDPI Open Access Publishing
20
University College London: UCL Discovery
20
NASA Technical Reports Server (NTRS)
19
University of Southampton: e-Prints Soton
19
German Aerospace Center: elib - DLR electronic library
18
IEDA: US Antarctic Program Data Center (via DataONE)
18
Australian National University: ANU Digital Collections
16
AAAS Resource Center (American Association for the Advancement of Science)
15
Columbia University: Academic Commons
15
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
15
White Rose Research Online (Universities of Leeds, Sheffield & York)
15
HAL Sorbonne Université
14
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
14
Wiley Online Library
14
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
13
Old Dominion University: ODU Digital Commons
13
Archives ouvertes de Paris-Saclay
12
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
12
more ...