Content Provider
Directory of Open Access Journals: DOAJ Articles
2,432
University of Tromsø: Munin Open Research Archive
2,114
DataCite Metadata Store (German National Library of Science and Technology)
1,639
Unknown
1,585
PubMed Central (PMC)
924
Wiley Online Library (via Crossref)
874
LeibnizOpen (The Leibniz Association)
754
PANGAEA - Data Publisher for Earth & Environmental Science
729
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
605
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
574
Institute for Marine Research: Brage IMR
561
NTNU Open Archive (Norwegian University of Science and Technology)
560
ScienceDirect (Elsevier - via Crossref)
486
University of Bergen: Bergen Open Research Archive (BORA-UiB)
481
HighWire Press (Stanford University)
424
Cambridge University Press
420
Springer Nature (via Crossref)
420
Informa (via Crossref)
416
Wiley Online Library
412
Open archive Norwegian University of Life Sciences: Brage NMBU
353
Université de Nantes: HAL-UNIV-NANTES
349
Defense Technical Information Center: DTIC Technical Reports database
327
Copernicus Publications: E-Journals
321
Aarhus University: Research
285
NGU Open Archive (Geological Survey of Norway)
280
Norwegian Institute for Nature Research: Brage NINA
264
MDPI Open Access Publishing
251
Niedersächsisches Online-Archiv NOA
243
UNESDOC - UNESCO Digital Library
229
University of Tromsø: Septentrio Academic Publishing
227
Zenodo
224
Arctic Council Repository
213
SAGE Publications (via Crossref)
212
norden (Nordic Council of Ministers): Publications (DiVA)
187
Institut national des sciences de l'Univers: HAL-INSU
184
CESSDA DC Data Catalogue (Consortium of European Social Science Data Archives)
173
HELDA – University of Helsinki Open Repository
153
University of Copenhagen: Research
152
DataverseNO
148
BioMed Central
143
Lund University Publications (LUP)
143
ScienceDirect (Elsevier)
140
Open archive Nord universitet
136
Umeå University: Publications (DiVA)
131
Digital.CSIC (Spanish National Research Council)
127
Hirsla - Landspítali University Hospital research archive
124
Opin vísindi (Iceland)
118
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
116
University of Stavanger: UiS Brage
116
Høgskolen i Innlandet: Brage INN
110
more ...