Content Provider
Directory of Open Access Journals: DOAJ Articles
3,550
DataCite Metadata Store (German National Library of Science and Technology)
1,397
Wiley Online Library
1,077
Unknown
967
University of Calgary Journal Hosting
934
Canadian Science Publishing (via Crossref)
867
Cambridge University Press
760
ScienceDirect (Elsevier - via Crossref)
703
Springer Nature (via Crossref)
613
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
432
Niedersächsisches Online-Archiv NOA
330
Canadian Science Publishing
300
Informa (via Crossref)
242
Université de Nantes: HAL-UNIV-NANTES
240
Cambridge University Press (via Crossref)
221
Wiley Online Library (via Crossref)
209
ScienceDirect (Elsevier)
208
LeibnizOpen (The Leibniz Association)
204
University of New Brunswick: Centre for Digital Scholarship Journals
190
Carleton University's Institutional Repository
182
National Research Council Canada: NRC Publications Archive
181
Institut national des sciences de l'Univers: HAL-INSU
179
University of Tromsø: Septentrio Academic Publishing
144
University of St Andrews: Research Portal
139
Aarhus University: Research
138
Informa
128
SAGE Publications (via Crossref)
126
The Canadian Field-Naturalist (E-Journal)
118
SAGE Publications
117
University of Victoria (Canada): UVicDSpace
115
Magnolia press
111
Oxford University Press (via Crossref)
111
Memorial University of Newfoundland: Research Repository
108
Digital.CSIC (Spanish National Research Council)
93
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
92
University of Toronto: Research Repository T-Space
87
Western Libraries OJS
85
White Rose Research Online (Universities of Leeds, Sheffield & York)
83
University of Copenhagen: Research
80
University of California: eScholarship
74
University of Toronto: Journal Publishing Services
69
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
68
BioMed Central
66
Institut national de la recherche scientifique, Québec: Espace INRS
66
University of Tromsø: Munin Open Research Archive
66
VIURRSpace (Royal Roads University and Vancouver Island University)
63
University of Alberta: Journal Hosting
62
The University of Queensland: UQ eSpace
60
Indiana University: Digital Library of the Commons (DLC)
53
Oxford University Press
53
more ...