Content Provider
Zenodo
25,298
University of Washington, Seattle: Digital Collections
13,723
OECD iLibrary (via Crossref)
5,191
NASA Technical Reports Server (NTRS)
4,691
Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center)
3,205
Unknown
2,904
Wiley Online Library
2,401
Fiskeridirektoratet (Brage FISK)
2,121
King Abdullah University of Science and Technology: KAUST Repository
2,087
Arctic Council Repository
1,528
Theseus.fi (Open Repository of the Universities of Applied Sciences)
1,482
AU Digital Research Archive (American University)
1,474
The University of Melbourne: Digitised Collections
1,013
PeerJ Publishing (via CrossRef)
1,012
OpenEdition
792
University of Canterbury, Christchurch: UC Research Repository
775
Université Laval: CorpusUL
719
Lund University Publications Student Papers (LUP-SP)
702
BioMed Central
642
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
637
Jagiellonian University Repository
612
ACS Publications
490
Phaidra Digital Collections (Permanent Hosting, Archiving and Indexing of Digital Resources and Assets - Università degli Studi di Padova)
462
NORA (National aggregator of open repositories of Russian universities)
456
Norsk Polarinstitutt: Brage NP
456
Copernicus Publications: E-Journals
452
UNESDOC - UNESCO Digital Library
450
David Rumsey Historical Map Collection (Cartography Associates)
444
OSKAR Bordeaux (Open Science Knowledge ARchive)
418
University of California: eScholarship
418
University of Alberta: Era - Education and Research Archive
395
Digital.CSIC (Spanish National Research Council)
391
Claremont Colleges Digital Library (CCDL)
385
Swedish University of Agricultural Sciences: Epsilon Archive for Student Projects
375
Athabasca University Digitization Portal
362
Tomsk State University Research Library
355
DataverseNO
339
oURspace - The University of Regina's Institutional Repository
339
USP Production Repository (Universidade de São Paulo)
327
Tomsk Polytechnic University (TPU): Electronic Archive
309
Research Data Australia (Australian National Data Service - ANDS)
305
The University of Utah: J. Willard Marriott Digital Library
298
Servicio Meteorológico Nacional: elabrigo Repositorio Institucional SMN
296
National Institute for Health and Welfare (THL), Finland: Julkari
292
DataCite Metadata Store (German National Library of Science and Technology)
277
Charles University CU Digital repository
258
PeerJ Publishing
253
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
248
Cambridge University Press
247
Université du Québec à Rimouski (UQAR): Sémaphore
238
more ...