Content Provider
Directory of Open Access Journals: DOAJ Articles
1,000
DataCite Metadata Store (German National Library of Science and Technology)
686
University of Tromsø: Munin Open Research Archive
524
Unknown
524
LeibnizOpen (The Leibniz Association)
339
PANGAEA - Data Publisher for Earth & Environmental Science
330
Copernicus Publications: E-Journals
327
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
278
PubMed Central (PMC)
219
Niedersächsisches Online-Archiv NOA
195
NTNU Open Archive (Norwegian University of Science and Technology)
190
Springer Nature (via Crossref)
186
Université de Nantes: HAL-UNIV-NANTES
174
DataCite
169
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
157
University of Bergen: Bergen Open Research Archive (BORA-UiB)
151
MDPI Open Access Publishing
136
ScienceDirect (Elsevier - via Crossref)
122
Aarhus University: Research
120
Institut national des sciences de l'Univers: HAL-INSU
120
Polar Research (E-Journal)
107
Wiley Online Library
100
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
98
National Institute of Polar Research Repository, Japan
84
Institute for Marine Research: Brage IMR
63
University of Copenhagen: Research
63
NILU – Norwegian Institute for Air Research: NILU Brage
59
Open archive Norwegian University of Life Sciences: Brage NMBU
57
Cambridge University Press
56
Natural Environment Research Council: NERC Open Research Archive
56
Norwegian Institute for Nature Research: Brage NINA
56
Polar Research
53
Apollo - University of Cambridge Repository
51
Uppsala University: Publications (DiVA)
51
University of Tromsø: Septentrio Academic Publishing
50
The Repository of the University of Silesia (RE-BUŚ)
46
Max Planck Society: MPG.PuRe
45
University of Groningen research database
41
Lund University Publications (LUP)
38
University of Calgary Journal Hosting
38
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
34
Digital.CSIC (Spanish National Research Council)
32
University of the Highlands and Islands: Research Database of UHI
32
University of St Andrews: Research Portal
30
White Rose Research Online (Universities of Leeds, Sheffield & York)
30
GFZpublic (German Research Centre for Geosciences, Helmholtz-Zentrum Potsdam)
29
Wageningen UR (University & Research Centre): Digital Library
29
Ghent University Academic Bibliography
28
Masaryk University Journals
28
Norsk Polarinstitutt: Brage NP
27
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