Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
3,627
Institute for Marine Research: Brage IMR
894
DataCite
749
Directory of Open Access Journals: DOAJ Articles
648
University of Tromsø: Munin Open Research Archive
535
Unknown
458
ScienceDirect (Elsevier - via Crossref)
353
DataCite Metadata Store (German National Library of Science and Technology)
320
Wiley Online Library
309
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
222
Springer Nature (via Crossref)
185
HighWire Press (Stanford University)
175
University of Bergen: Bergen Open Research Archive (BORA-UiB)
171
PubMed Central (PMC)
149
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
130
Copernicus Publications: E-Journals
130
Defense Technical Information Center: DTIC Technical Reports database
130
NTNU Open Archive (Norwegian University of Science and Technology)
130
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
120
MDPI Open Access Publishing
105
Oxford University Press
102
Polar Research (E-Journal)
89
Cambridge University Press
88
University of Stavanger: UiS Brage
84
ScienceDirect (Elsevier)
82
Université de Nantes: HAL-UNIV-NANTES
73
Zenodo
71
Niedersächsisches Online-Archiv NOA
66
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
65
Informa
63
Natural Environment Research Council: NERC Open Research Archive
61
Institut national des sciences de l'Univers: HAL-INSU
53
Norsk Polarinstitutt: Brage NP
53
Norwegian Polar Institute: Brage NP
53
LeibnizOpen (The Leibniz Association)
52
NGU Open Archive (Geological Survey of Norway)
50
Max Planck Society: MPG.PuRe
46
University of Tromsø: Septentrio Academic Publishing
46
Aarhus University: Research
45
SINTEF Open (Brage)
44
Informa (via Crossref)
39
Technical University of Denmark: DTU Orbit
38
Oxford University Press (via Crossref)
37
University of Copenhagen: Research
36
University of Calgary Journal Hosting
33
University of Southampton: e-Prints Soton
33
Canadian Science Publishing
32
University of St Andrews: Research Portal
31
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
30
Polar Research
30
more ...