Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
17,505
Biodiversity Heritage Library (BHL)
205
DataCite Metadata Store (German National Library of Science and Technology)
76
LeibnizOpen (The Leibniz Association)
64
Defense Technical Information Center: DTIC Technical Reports database
57
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
28
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
27
Unknown
26
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
24
Directory of Open Access Journals: DOAJ Articles
22
Université de Nantes: HAL-UNIV-NANTES
19
Institut national des sciences de l'Univers: HAL-INSU
17
Digital.CSIC (Spanish National Research Council)
15
Dalhousie University: DalSpace Institutional Repository
12
Utrecht University Repository
11
Magnolia press
10
HAL Sorbonne Université
8
University of Calgary Journal Hosting
8
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
7
Muséum National d'Histoire Naturelle (MNHM): HAL
7
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
7
MDPI Open Access Publishing
6
Universidad de Las Palmas de Gran Canaria: Acceda
6
Université de Bretagne Occidentale: HAL
6
École Polytechnique, Université Paris-Saclay: HAL
6
Archives ouvertes de Paris-Saclay
5
FAU Digital Collections (Florida Atlantic University Digital Library)
5
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
5
University of Bergen: Bergen Open Research Archive (BORA-UiB)
5
University of St Andrews: Research Portal
5
University of the Highlands and Islands: Research Database of UHI
5
Université de Paris: Portail HAL
5
Zenodo
5
IRD (Institute de recherche pour le développement): Horizon
4
IRIS Università degli Studi di Bologna (CRIS - Current Research Information System)
4
Technical University of Denmark: DTU Orbit
4
The University of Texas at Austin: Texas ScholarWorks
4
University of Groningen research database
4
Université Grenoble Alpes: HAL
4
Instituto Español de Oceanografía: e-IEO
3
Normandie Université: HAL
3
Texas A&M University Digital Repository
3
Universidade do Algarve: Sapienta
3
University of Liège: ORBi (Open Repository and Bibliography)
3
University of South Florida St. Petersburg: Digital USFSP
3
University of Tasmania: UTas ePrints
3
Aberdeen University Research Archive (AURA)
2
Aix-Marseille Université: HAL
2
Carolina Digital Repository (UNC - University of North Carolina)
2
Digital Commons University of South Florida (USF)
2
more ...