Content Provider
Directory of Open Access Journals: DOAJ Articles
336
Unknown
99
Wiley Online Library
78
University of California: eScholarship
67
DataCite Metadata Store (German National Library of Science and Technology)
64
LeibnizOpen (The Leibniz Association)
63
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
54
Niedersächsisches Online-Archiv NOA
52
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
44
Zenodo
33
Aarhus University: Research
31
Institut national des sciences de l'Univers: HAL-INSU
31
Université de Nantes: HAL-UNIV-NANTES
30
IOP Publishing
27
HELDA – University of Helsinki Open Repository
26
University of Copenhagen: Research
26
Lund University Publications (LUP)
25
RePEc (Research Papers in Economics)
24
Springer Nature (via Crossref)
22
Vrije Universiteit Amsterdam (VU): Research Portal
22
University of Potsdam: publish.UP
20
University of Tromsø: Munin Open Research Archive
20
DataCite
19
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
18
Woods Hole Scientific Community: WHOAS (Woods Hole Open Access Server)
17
Wageningen UR (University & Research Centre): Digital Library
16
White Rose Research Online (Universities of Leeds, Sheffield & York)
16
Northumbria University, Newcastle: Northumbria Research Link (NRL)
13
ETH Zürich Research Collection
12
Jultika - University of Oulu repository
12
Umeå University: Publications (DiVA)
12
Archives ouvertes de Paris-Saclay
11
Frontiers (Publisher)
11
Max Planck Society: MPG.PuRe
11
University of Calgary Journal Hosting
11
Canadian Science Publishing
10
Météo-France: HAL
10
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research)
10
Université Toulouse III - Paul Sabatier: HAL-UPS
10
Institut national de la recherche scientifique, Québec: Espace INRS
9
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
9
Polar Research (E-Journal)
9
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
9
Carleton University's Institutional Repository
8
Geography, Environment, Sustainability (E-Journal)
8
HAL Sorbonne Université
8
Hereon Publications (Helmholtz-Zentrum)
8
Technical University of Denmark: DTU Orbit
8
Tomsk State University Research Library
8
University of Zurich (UZH): ZORA (Zurich Open Repository and Archive
8
more ...