Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
179
Directory of Open Access Journals: DOAJ Articles
110
Unknown
88
ArXiv.org (Cornell University Library)
87
DataCite
73
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
70
Defense Technical Information Center: DTIC Technical Reports database
50
MDPI Open Access Publishing
29
Université de Nantes: HAL-UNIV-NANTES
25
LeibnizOpen (The Leibniz Association)
22
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
22
University of Michigan: Digital Collections
22
PubMed Central (PMC)
21
the Digital Archaeological Record (via DataONE)
19
University of Tromsø: Munin Open Research Archive
18
VIURRSpace (Royal Roads University and Vancouver Island University)
18
CyberLeninka (Scientific Electronic Library)
15
Ural Federal University (URFU): ELAR
13
Croatian Digital Theses Repository (National and University Library in Zagreb)
11
LaCRIS - University of Lapland Current Research System
11
National Chung Hsing University Institutional Repository - NCHUIR
11
Theses Canada/Thèses Canada (Library and Archives Canada)
11
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
10
Charles University CU Digital repository
10
Institut national des sciences de l'Univers: HAL-INSU
10
Nova Southeastern University: NSU Works
10
University of Victoria (Canada): UVicDSpace
10
York University, Toronto: YorkSpace
10
The University of Western Ontario: Scholarship@Western
9
Université Toulouse III - Paul Sabatier: HAL-UPS
9
Uppsala University: Publications (DiVA)
9
Digital.CSIC (Spanish National Research Council)
8
Météo-France: HAL
8
University of Calgary Journal Hosting
8
Archives ouvertes de Paris-Saclay
7
DRO - Deakin Research Online
7
Digital Library of University of Maribor
7
MSpace at the University of Manitoba
7
Umeå University: Publications (DiVA)
7
University of Massachusetts: ScholarWorks@UMass Amherst
7
University of Vienna: Phaidra
7
Érudit.org (Université Montréal)
7
Aarhus University: Research
6
Hirsla - Landspítali University Hospital research archive
6
National Technical University of Athens (NTUA): DSpace
6
Royal Roads University: DSpace @ RRU
6
University of Groningen research database
6
University of Saskatchewan: eCommons@USASK
6
University of St Andrews: Research Portal
6
University of Toronto: Research Repository T-Space
6
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