Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
109
Directory of Open Access Journals: DOAJ Articles
79
Arctic Data Center (via DataONE)
54
Norwegian Institute for Nature Research: Brage NINA
44
Unknown
42
Wageningen UR (University & Research Centre): Digital Library
42
Zenodo
27
Dryad Digital Repository (Duke University)
23
Knowledge Network for Biocomplexity (via DataONE)
23
MDPI Open Access Publishing
18
Università degli Studi di Ferrara: CINECA IRIS
14
University of Calgary Journal Hosting
13
Norwegian Polar Data Centre
12
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
11
Frontiers: Figshare
11
University of Copenhagen: Research
10
Université de Nantes: HAL-UNIV-NANTES
9
HELDA – University of Helsinki Open Repository
8
The Czech Academy of Sciences: Publication Activity (ASEP)
8
Altai State University: Scientific Journals of ASU
7
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
7
Jagiellonian University Repository
7
Aarhus University: Research
6
Environmental Data Initiative (via DataONE)
6
Jultika - University of Oulu repository
6
Lund University Publications (LUP)
6
University of Wollongong, Australia: Research Online
6
Institut national des sciences de l'Univers: HAL-INSU
5
TERN Australia (via DataONE)
5
Umeå University: Publications (DiVA)
5
University of Tromsø: Septentrio Academic Publishing
5
University of Tyumen: UTMN Repository
5
ADDI: Repositorio Institucional de la Universidad del País Vasco (UPV)
4
Aalto University Publication Archive (Aaltodoc)
4
Australian National University: ANU Digital Collections
4
Charles University CU Digital repository
4
DIAL@UCLouvain (Université catholique de Louvain)
4
DIAL@USL-B (Université Saint-Louis, Bruxelles)
4
DataCite
4
Michigan Technological University: Digital Commons @ Michigan Tech
4
NORA (National aggregator of open repositories of Russian universities)
4
National Research Council Canada: NRC Publications Archive
4
Natural Resources Institute Finland: Jukuri
4
Norsk Polarinstitutt: Brage NP
4
Research Data Australia (Australian National Data Service - ANDS)
4
Texas A&M University Digital Repository
4
USGS Science Data Catalog (via DataONE)
4
University of Montana: ScholarWorks
4
Université Grenoble Alpes: HAL
4
Université Savoie Mont Blanc: HAL
4
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