Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
4,787
Unknown
2,514
University of Alberta: Era - Education and Research Archive
1,744
University of Michigan: Digital Collections
1,027
University of Calgary Journal Hosting
651
Directory of Open Access Journals: DOAJ Articles
469
Zenodo
297
Theses Canada/Thèses Canada (Library and Archives Canada)
234
PubMed Central (PMC)
191
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
180
Arctic Data Center (via DataONE)
171
Érudit.org (Université Montréal)
129
ScienceDirect (Elsevier - via Crossref)
123
PANGAEA - Data Publisher for Earth & Environmental Science
116
USGS Science Data Catalog (via DataONE)
112
Wiley Online Library
112
Université Laval: CorpusUL
110
Canadian Science Publishing (via Crossref)
108
Springer Nature (via Crossref)
107
Borealis
99
Arctic Institute of North America (via Crossref)
92
Informa (via Crossref)
92
Wiley Online Library (via Crossref)
91
McGill University: eScholarship@McGill
88
Canadian Science Publishing
85
Inalco (Institut National des Langues et Civilisations Orientales): HAL
83
MédiHAL
83
University of Toronto: Research Repository T-Space
82
Université Sorbonne Nouvelle - Paris 3: HAL
82
Université de Montréal (UdeM): Calypso - Collections d'objets numériques
81
Université de Nantes: HAL-UNIV-NANTES
76
Copernicus Publications: E-Journals
73
MSpace at the University of Manitoba
73
uO Research (University of Ottawa - uOttawa)
73
Queen's University, Ontario: QSpace
72
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
72
Cambridge University Press
71
RePEc (Research Papers in Economics)
63
LeibnizOpen (The Leibniz Association)
61
Dryad Digital Repository (Duke University)
58
CURVE - Carleton University Research Virtual Environment
57
Biodiversity Heritage Library (BHL)
53
Niedersächsisches Online-Archiv NOA
53
Carleton University's Institutional Repository
52
APS Digital Library (American Philosophical Society)
50
Dalhousie University: DalSpace Institutional Repository
50
Institut national des sciences de l'Univers: HAL-INSU
49
MDPI Open Access Publishing
47
PRISM - University of Calgary Digital Repository
47
UQAM - Université du Québec à Montréal: archipel
47
more ...