Content Provider
Directory of Open Access Journals: DOAJ Articles
5,986
Natural Environment Research Council: NERC Open Research Archive
2,756
Wiley Online Library
2,560
Cambridge University Press
2,501
Springer Nature (via Crossref)
2,466
ScienceDirect (Elsevier - via Crossref)
2,428
Unknown
2,048
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
1,750
DataCite Metadata Store (German National Library of Science and Technology)
1,587
Université de Nantes: HAL-UNIV-NANTES
1,250
ScienceDirect (Elsevier)
1,202
Institut national des sciences de l'Univers: HAL-INSU
1,192
eCite UTAS (University of Tasmania)
1,146
LeibnizOpen (The Leibniz Association)
1,113
Niedersächsisches Online-Archiv NOA
1,071
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
988
CONICET Digital (Consejo Nacional de Investigaciones Científicas y Técnicas)
856
DataCite
807
University of California: eScholarship
712
University of Tasmania: UTas ePrints
646
Informa
642
Digital.CSIC (Spanish National Research Council)
606
Informa (via Crossref)
586
Australian National University: ANU Digital Collections
543
Université Grenoble Alpes: HAL
434
Oxford University Press
431
HAL Sorbonne Université
412
Flanders Marine Institute (VLIZ): Open Marine Archive (OMA)
389
Zenodo
379
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
352
HAL-CEA (Commissariat à l'énergie atomique et aux énergies alternatives)
339
Frontiers (Publisher)
331
Arctic Portal Library
322
Macquarie University Research Portal
313
AAAS Resource Center (American Association for the Advancement of Science)
308
Université Savoie Mont Blanc: HAL
296
University of Bristol: Bristol Research
279
Magnolia press
270
University of Southampton: e-Prints Soton
269
Università degli Studi di Siena: USiena air
269
Caltech Authors (California Institute of Technology)
265
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel)
263
Earth-Prints (Istituto Nazionale di Geofisica e Vulcanologia)
262
Utrecht University Repository
258
Institut National de la Recherche Agronomique: ProdINRA
253
Università degli Studi di Genova: CINECA IRIS
243
The University of Queensland: UQ eSpace
240
ARPI - Archivio della Ricerca dell'Università di Pisa
237
Archives ouvertes de Paris-Saclay
237
DI-fusion : dépôt institutionnel de l'Université libre de Bruxelles (ULB)
236
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