Content Provider
PANGAEA - Data Publisher for Earth & Environmental Science
2,033
DataCite Metadata Store (German National Library of Science and Technology)
772
Directory of Open Access Journals: DOAJ Articles
67
Defense Technical Information Center: DTIC Technical Reports database
40
Unknown
28
SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy)
26
LeibnizOpen (The Leibniz Association)
21
University of North Texas: UNT Digital Library
19
Research Data Australia (Australian National Data Service - ANDS)
15
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe)
12
MDPI Open Access Publishing
12
Frontiers: Figshare
8
University of California: eScholarship
8
University of Southern Denmark Research Portal
8
Universidade Estadual Paulista São Paulo: Acervo Digital da UNESP / São Paulo State University
7
Universidade Estadual Paulista São Paulo: Repositório Institucional UNESP
7
Zenodo
7
Biblioteca Digital FCEN-UBA (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires)
6
Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences: GIEC OpenIR
5
IODE-UNESCO: OceanDocs - E-Repository of Ocean Publications
5
Institut National de la Recherche Agronomique: ProdINRA
5
RIPEST - Repository of the Institute of Pesticides and Environmental Protection
5
Università degli Studi di Bari Aldo Moro: CINECA IRIS
5
Université de Nantes: HAL-UNIV-NANTES
5
Dryad Digital Repository (Duke University)
4
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
4
Technical University of Denmark: DTU Orbit
4
USGS Science Data Catalog (via DataONE)
4
Institut national des sciences de l'Univers: HAL-INSU
3
Lund University Publications (LUP)
3
Pohang University of Science and Technology (POSTECH): Open Access System for Information Sharing (OASIS)
3
The University of Queensland: UQ eSpace
3
University of St Andrews: Research Portal
3
University of Stirling: Stirling Digital Research Repository
3
Università del Salento: CINECA IRIS
3
Utah State University: DigitalCommons@USU
3
Arctic Data Center (via DataONE)
2
BRGM: HAL (Bureau de Recherches Géologiques et Minières)
2
Connexions (Educational Material)
2
Düzce University Institutional Repository (DSpace@Düzce)
2
Hirsla - Landspítali University Hospital research archive
2
Institut national de la recherche scientifique, Québec: Espace INRS
2
Institute of Hydrobiology, Chinese Academy of Sciences: IHB OpenIR
2
Lincoln University (New Zealand): Lincoln U Research Archive
2
Norwegian Institute for Water research: NIVA Open Access Archive (Brage)
2
Opin vísindi (Iceland)
2
Pamukkale University Repository
2
Politechnical University of Valencia: RiuNet
2
Texas A&M University Digital Repository
2
The Royal Society: Figshare
2
more ...