Content Provider
DataCite Metadata Store (German National Library of Science and Technology)
85
Directory of Open Access Journals: DOAJ Articles
70
Zenodo
66
Unknown
55
University of Tromsø: Munin Open Research Archive
29
PANGAEA - Data Publisher for Earth & Environmental Science
23
LeibnizOpen (The Leibniz Association)
22
Arctic Data Center (via DataONE)
19
Arctic Review on Law and Politics
10
MDPI Open Access Publishing
10
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
9
Naval Postgraduate School: Calhoun
9
Dryad Digital Repository (Duke University)
8
Frontiers: Figshare
7
Jagiellonian University Repository
7
LAEI VL (Lithuanian Institute of Agrarian Economics Virtual Library)
7
LSRC VL (Lithuanian Social Research Centre Virtual Library)
7
Umeå University: Publications (DiVA)
7
Université de Nantes: HAL-UNIV-NANTES
7
HELDA – University of Helsinki Open Repository
6
Norwegian Institute for Nature Research: Brage NINA
6
Universitet i Oslo: Digitale utgivelser ved UiO (DUO)
6
University of Tromsø: Septentrio Academic Publishing
6
Institut national des sciences de l'Univers: HAL-INSU
5
SSOAR - Social Science Open Access Repository
5
University of Windsor, Ontario: Scholarship at UWindsor
5
Archives ouvertes de Paris-Saclay
4
Bates College: SCARAB (Scholarly Communication and Research at Bates)
4
Charles University CU Digital repository
4
Jultika - University of Oulu repository
4
LaCRIS - University of Lapland Current Research System
4
National Institute of Polar Research Repository, Japan
4
Open archive Norwegian University of Life Sciences: Brage NMBU
4
Universidade Federal do Rio Grande do Sul (UFRGS): Lume
4
University of Southern Denmark Research Portal
4
University of St Andrews: Digital Research Repository
4
Aalborg University's Research Portal
3
Aarhus University: Research
3
HAL Sorbonne Université
3
University of Bergen: Bergen Open Research Archive (BORA-UiB)
3
University of Colorado, Boulder: CU Scholar
3
University of Massachusetts: ScholarWorks@UMass Amherst
3
Université de Versailles Saint-Quentin-en-Yvelines: HAL-UVSQ
3
Vytautas Magnus University e-Publication Repository (VMU ePub)
3
AMUR - Adam Mickiewicz University Repository, Poznan
2
ASU VL (VMU - Vytautas Magnus University Agriculture Academy Virtual Library)
2
Apollo - University of Cambridge Repository
2
Cairn (E-Journals)
2
Delft University of Technology: Institutional Repository
2
Digital Repository of Scientific Institutes (RCIN)
2
more ...