Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
7,963
DataCite Metadata Store (German National Library of Science and Technology)
5,224
NOAA NCEI Environmental Data Archive (via DataONE)
651
Defense Technical Information Center: DTIC Technical Reports database
649
Unknown
177
Directory of Open Access Journals: DOAJ Articles
146
Research Data Australia (Australian National Data Service - ANDS)
143
Zenodo
106
Arctic Data Center (via DataONE)
104
Digital.CSIC (Spanish National Research Council)
90
USGS Science Data Catalog (via DataONE)
89
DataverseNO
61
Instituto Español de Oceanografía: e-IEO
61
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
42
MDPI Open Access Publishing
42
Frontiers: Figshare
36
Université de Nantes: HAL-UNIV-NANTES
34
Institute for Marine Research: Brage IMR
33
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
31
University of Calgary Journal Hosting
31
CyberLeninka (Scientific Electronic Library)
29
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
27
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
24
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
23
Ghent University Academic Bibliography
22
Institut national des sciences de l'Univers: HAL-INSU
22
LeibnizOpen (The Leibniz Association)
21
Research Workspace (via DataONE)
16
University of the Highlands and Islands: Research Database of UHI
15
Tomsk Polytechnic University (TPU): Electronic Archive
14
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
13
Dryad Digital Repository (Duke University)
12
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
12
Technical University of Denmark: DTU Orbit
12
University of Tromsø: Munin Open Research Archive
12
Biodiversity Heritage Library (BHL)
11
Columbia University: Academic Commons
11
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
11
University of California: eScholarship
11
Arctic and Antarctic Research (E-Journal)
10
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
10
Digital Commons University of South Florida (USF)
10
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
10
Universitat Politècnica de Catalunya, BarcelonaTech: UPCommons - Global access to UPC knowledge
10
University of South Florida St. Petersburg: Digital USFSP
10
University of Tasmania: UTas ePrints
10
Australian National University: ANU Digital Collections
9
NORA (National aggregator of open repositories of Russian universities)
9
University of Bergen: Bergen Open Research Archive (BORA-UiB)
9
Université de Bretagne Occidentale: HAL
9
more ...