Content Provider
Unknown
1,179
DataCite Metadata Store (German National Library of Science and Technology)
500
Research Data Australia (Australian National Data Service - ANDS)
352
PANGAEA - Data Publisher for Earth & Environmental Science
275
Dryad Digital Repository (Duke University)
227
Directory of Open Access Journals: DOAJ Articles
198
Arctic Data Center (via DataONE)
162
NOAA NCEI Environmental Data Archive (via DataONE)
72
Zenodo
70
Frontiers: Figshare
69
LeibnizOpen (The Leibniz Association)
62
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
59
Knowledge Network for Biocomplexity (via DataONE)
50
Digital.CSIC (Spanish National Research Council)
48
Defense Technical Information Center: DTIC Technical Reports database
44
MDPI Open Access Publishing
44
Institut national des sciences de l'Univers: HAL-INSU
41
University of California: eScholarship
38
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
38
Université de Nantes: HAL-UNIV-NANTES
34
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
33
Aarhus University: Research
32
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
32
University of Groningen research database
30
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
28
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
27
Umeå University: Publications (DiVA)
26
University of Tasmania: UTas ePrints
26
Australian National University: ANU Digital Collections
25
HELDA – University of Helsinki Open Repository
25
University of North Texas: UNT Digital Library
24
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
23
ESS-DIVE: Deep Insight for Earth Science Data (via DataONE)
23
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
22
Universidad de Las Palmas de Gran Canaria: Acceda
22
Utah State University: DigitalCommons@USU
22
Lund University Publications (LUP)
21
Research Workspace (via DataONE)
21
Wageningen UR (University & Research Centre): Digital Library
21
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
20
Ghent University Academic Bibliography
19
DRO - Deakin Research Online
18
University of Copenhagen: Research
18
Université de Bretagne Occidentale: HAL
18
The Royal Society: Figshare
17
HAL Sorbonne Université
15
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
14
Natural Resources Institute Finland: Jukuri
14
University of the Highlands and Islands: Research Database of UHI
14
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
12
more ...