Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
213
Defense Technical Information Center: DTIC Technical Reports database
143
LeibnizOpen (The Leibniz Association)
85
Research Data Australia (Australian National Data Service - ANDS)
76
Directory of Open Access Journals: DOAJ Articles
43
Unknown
40
NOAA NCEI Environmental Data Archive (via DataONE)
34
Arctic Data Center (via DataONE)
25
MDPI Open Access Publishing
19
University of Tasmania: UTas ePrints
17
University of California: eScholarship
14
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
13
Naval Postgraduate School: Calhoun
11
PANGAEA - Data Publisher for Earth & Environmental Science
9
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
9
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
8
University of North Texas: UNT Digital Library
8
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
7
Australian National University: ANU Digital Collections
7
Frontiers: Figshare
7
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
7
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
6
Institut national des sciences de l'Univers: HAL-INSU
6
Research Workspace (via DataONE)
6
Université de Nantes: HAL-UNIV-NANTES
6
HELDA – University of Helsinki Open Repository
5
ORNL DAAC (via DataONE)
5
Zenodo
5
Aarhus University: Research
4
Ice and Snow (E-Journal)
4
Imperial College London: Spiral
4
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
4
University College London: UCL Discovery
4
University of Southern Queensland: USQ ePrints
4
Caltech Authors (California Institute of Technology)
3
CyberLeninka (Scientific Electronic Library)
3
HAL Sorbonne Université
3
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
3
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
3
Peking University Institutional Repository (PKU IR)
3
University of Bergen: Bergen Open Research Archive (BORA-UiB)
3
University of the Highlands and Islands: Research Database of UHI
3
Università Politecnica delle Marche: IRIS
3
Université Grenoble Alpes: HAL
3
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
3
École Polytechnique, Université Paris-Saclay: HAL
3
ADDI: Repositorio Institucional de la Universidad del País Vasco (UPV)
2
Archivio della ricerca dell'Università di Modena e Reggio Emilia (Unimore: IRIS)
2
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
2
Borealis
2
more ...