Content Provider
Directory of Open Access Journals: DOAJ Articles
295
DataCite Metadata Store (German National Library of Science and Technology)
247
University of Calgary Journal Hosting
239
Unknown
108
ScienceDirect (Elsevier - via Crossref)
70
Springer Nature (via Crossref)
66
Wiley Online Library
61
RePEc (Research Papers in Economics)
40
LeibnizOpen (The Leibniz Association)
38
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
35
Arctic Institute of North America
33
Canadian Science Publishing (via Crossref)
32
Niedersächsisches Online-Archiv NOA
31
Canadian Science Publishing
28
Cambridge University Press
26
Carleton University's Institutional Repository
23
Université de Nantes: HAL-UNIV-NANTES
23
Informa (via Crossref)
21
University of Toronto: Research Repository T-Space
18
Informa
17
Institut national des sciences de l'Univers: HAL-INSU
17
The Canadian Field-Naturalist (E-Journal)
15
Dryad Digital Repository (Duke University)
14
VIURRSpace (Royal Roads University and Vancouver Island University)
14
Indiana University: Digital Library of the Commons (DLC)
12
National Research Council Canada: NRC Publications Archive
12
White Rose Research Online (Universities of Leeds, Sheffield & York)
12
University of Alberta: Era - Education and Research Archive
11
Institut national de la recherche scientifique, Québec: Espace INRS
10
Polar Research (E-Journal)
10
University of Tromsø: Septentrio Academic Publishing
9
Aarhus University: Research
8
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
8
University of California: eScholarship
8
Wiley Online Library (via Crossref)
8
Archives ouvertes de Paris-Saclay
7
CURVE - Carleton University Research Virtual Environment
7
Magnolia press
7
Natural Environment Research Council: NERC Open Research Archive
7
OpenEdition
7
University of Victoria (Canada): UVicDSpace
7
Vancouver Island University: Viuspace
7
BioMed Central
6
MSpace at the University of Manitoba
6
Queen's University, Ontario: QSpace
6
Queensland University of Technology: QUT ePrints
6
SAGE Publications (via Crossref)
6
The Open University: Open Research Online (ORO)
6
University of Bristol: Bristol Research
6
University of St Andrews: Research Portal
6
more ...