Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
9,020
DataCite Metadata Store (German National Library of Science and Technology)
455
DataCite
313
LeibnizOpen (The Leibniz Association)
244
Directory of Open Access Journals: DOAJ Articles
224
Unknown
103
Biodiversity Heritage Library (BHL)
90
University of Calgary Journal Hosting
57
MDPI Open Access Publishing
44
University of North Texas: UNT Digital Library
44
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
43
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
42
Media SuUB Bremen (Staats- und Universitätsbibliothek Bremen)
32
UNESDOC - UNESCO Digital Library
30
Zenodo
30
Institut national des sciences de l'Univers: HAL-INSU
27
Archimer (Archive Institutionnelle de l'Ifremer - Institut français de recherche pour l'exploitation de la mer)
25
Aarhus University: Research
20
Université de Nantes: HAL-UNIV-NANTES
20
HAL Sorbonne Université
19
University of Alaska: ScholarWorks@UA
19
Stockholm University: Publications (DiVA)
18
Defense Technical Information Center: DTIC Technical Reports database
17
Digital.CSIC (Spanish National Research Council)
16
Institute of Oceanology, Chinese Academy of Sciences: IOCAS-IR
16
Naval Postgraduate School: Calhoun
16
University of Tromsø: Munin Open Research Archive
16
Archives ouvertes de Paris-Saclay
14
University of the Highlands and Islands: Research Database of UHI
14
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
13
GEO-LEOe-docs (FID GEO)
12
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
12
Renate - Repositorium für Naturwissenschaften und Technik (TIB Hannover)
12
Technical University of Denmark: DTU Orbit
11
MSpace at the University of Manitoba
10
Muséum National d'Histoire Naturelle (MNHM): HAL
10
École Polytechnique, Université Paris-Saclay: HAL
10
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
9
PEARL (Plymouth Electronic Archiv & ResearchLibrary, Plymouth University)
9
Université de Paris: Portail HAL
9
Lund University Publications (LUP)
8
MACAU: Open Access Repository of Kiel University
8
Polar Research
8
University of St Andrews: Research Portal
8
Université de Bretagne Occidentale: HAL
8
Aix-Marseille Université: HAL
7
Magnolia press
7
University of Tasmania: UTas ePrints
7
Université de Toulon: HAL
7
ARPI - Archivio della Ricerca dell'Università di Pisa
6
more ...