Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
297
Unknown
190
LeibnizOpen (The Leibniz Association)
189
Directory of Open Access Journals: DOAJ Articles
182
PANGAEA - Data Publisher for Earth & Environmental Science
178
Biodiversity Heritage Library (BHL)
90
Norwegian Institute for Nature Research: Brage NINA
90
University of Tromsø: Munin Open Research Archive
76
Zenodo
56
University of Tromsø: Septentrio Academic Publishing
50
WHO (World Health Organization): Institutional Repository for Information Sharing (IRIS)
26
University of Alberta: Era - Education and Research Archive
22
MDPI Open Access Publishing
21
University of Massachusetts: ScholarWorks@UMass Amherst
21
University of Calgary Journal Hosting
20
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
19
Charles University CU Digital repository
18
USGS Science Data Catalog (via DataONE)
18
Arctic Review on Law and Politics
17
Aarhus University: Research
16
Norwegian Institute of Public Health Open Repository (Brage)
16
Umeå University: Publications (DiVA)
16
BioMed Central
15
Frontiers: Figshare
14
Hirsla - Landspítali University Hospital research archive
14
Open archive Norwegian University of Life Sciences: Brage NMBU
13
University of Bergen: Bergen Open Research Archive (BORA-UiB)
13
University of Pittsburgh: Archive of European Integration (AEI)
13
Université de Nantes: HAL-UNIV-NANTES
13
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
12
Uppsala University: Publications (DiVA)
12
Cornell University: eCommons@Cornell
11
Digital Repository of Scientific Institutes (RCIN)
11
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
11
Ike Skelton Combined Arms Research Library (CARL) Digital Library
11
Senter for omsorgsforskning: Omsorgsbiblioteket
11
University College London: UCL Discovery
11
University of Copenhagen: Research
11
Apollo - University of Cambridge Repository
10
Centre for Care Research: Omsorgsbiblioteket (Brage)
10
Lund University Publications (LUP)
9
Naval Postgraduate School: Calhoun
9
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
9
University of California: eScholarship
9
Washington State University: WSU Libraries Digital Collections
9
Bavarian Digital Repository (BDR - Bayerische Staatsbibliothek Munich, BSB)
8
Geological Society of London: Figshare
8
Helsingfors Universitet: HELDA – Helsingin yliopiston digitaalinen arkisto
8
SSOAR - Social Science Open Access Repository
8
CESSDA DC Data Catalogue (Consortium of European Social Science Data Archives)
7
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