Content Provider
Directory of Open Access Journals: DOAJ Articles
7,928
ScienceDirect (Elsevier - via Crossref)
5,068
Cambridge University Press
3,425
Wiley Online Library (via Crossref)
1,135
Informa (via Crossref)
1,058
ScienceDirect (Elsevier)
1,038
Wiley Online Library
1,010
Lund University Publications (LUP)
496
Informa
360
DataCite Metadata Store (German National Library of Science and Technology)
346
Springer Nature (via Crossref)
339
eCite UTAS (University of Tasmania)
258
University of Chicago Press (via Crossref)
217
University of California: eScholarship
207
University of California Press (via Crossref)
121
University of California Press
120
Columbia University: Academic Commons
88
University of Chicago Press
88
University of Leicester: Leicester Research Archive (LRA)
87
Institute of Earth Environment: IEECAS OpenIR (Chinese Academy of Sciences)
77
Uppsala University: Publications (DiVA)
70
Imperial College London: Spiral
68
University College London: UCL Discovery
45
University of Calgary Journal Hosting
39
Istituto Nazionale di Fisica Nucleare (INFN): Open Access Repository
38
Schweizerbart Science Publishers (via Crossref)
37
IOP Publishing
32
De Gruyter (via Crossref)
31
Swedish Museum of Natural History: Publications (DiVA)
30
Queen's University Belfast Research Portal
29
IMHE OpenIR (Institute of Mountain Hazards and Environment, Chinese Academy of Sciences)
28
University of Copenhagen: Research
28
Utrecht University Repository
25
The University of Queensland: UQ eSpace
24
LeibnizOpen (The Leibniz Association)
23
Old Dominion University: ODU Digital Commons
19
Queensland University of Technology: QUT ePrints
18
ARPI - Archivio della Ricerca dell'Università di Pisa
16
Geological Society of London: Figshare
16
IOP Publishing (via Crossref)
15
Sciendo (de Gruyter - via CrossRef)
15
Curtin University: espace
14
Luleå University of Technology Publications (DiVA)
14
Stockholm University: Publications (DiVA)
14
Digital Commons University of South Florida (USF)
13
University of South Florida St. Petersburg: Digital USFSP
13
Ghent University Academic Bibliography
11
Institute of Botany: IBCAS OpenIR (Chinese Academy Of Sciences)
11
Aberdeen University Research Archive (AURA)
10
Universidad de Salamanca: Gredos (Gestión del Repositorio Documental de la Universidad de Salamanca)
10
more ...