Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
15,617
DataCite Metadata Store (German National Library of Science and Technology)
15,383
DataCite
13,168
Unknown
10,587
Directory of Open Access Journals: DOAJ Articles
4,937
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
3,375
Arctic Data Center (via DataONE)
2,935
Zenodo
2,294
Copernicus Publications: E-Journals
2,262
Defense Technical Information Center: DTIC Technical Reports database
1,902
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1,560
Wiley Online Library
1,517
Research Data Australia (Australian National Data Service - ANDS)
1,515
Niedersächsisches Online-Archiv NOA
1,422
Springer Nature (via Crossref)
1,375
Institut national des sciences de l'Univers: HAL-INSU
1,226
Natural Environment Research Council: NERC Open Research Archive
1,103
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
1,064
Université de Nantes: HAL-UNIV-NANTES
1,021
eCite UTAS (University of Tasmania)
990
IEEE Publications
960
PubMed Central (PMC)
942
LeibnizOpen (The Leibniz Association)
856
ScienceDirect (Elsevier - via Crossref)
855
NASA Technical Reports Server (NTRS)
854
NOAA NCEI Environmental Data Archive (via DataONE)
789
Cambridge University Press
678
MDPI Open Access Publishing
662
HAL Sorbonne Université
642
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
578
National Institute of Polar Research Repository, Japan
573
ScienceDirect (Elsevier)
565
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
560
University of Tromsø: Munin Open Research Archive
554
University of California: eScholarship
542
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
539
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
513
Max Planck Society: MPG.PuRe
497
University of Tasmania: UTas ePrints
489
Frontiers: Figshare
447
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
429
Aarhus University: Research
417
DIAL@USL-B (Université Saint-Louis, Bruxelles)
412
École Polytechnique, Université Paris-Saclay: HAL
402
Archives ouvertes de Paris-Saclay
390
DIAL@UCLouvain (Université catholique de Louvain)
388
Hokkaido University Collection of Scholarly and Academic Papers (HUSCAP)
383
Digital.CSIC (Spanish National Research Council)
378
Muséum National d'Histoire Naturelle (MNHM): HAL
365
Université de Paris: Portail HAL
360
more ...