Biblioteca Virtual em Saúde
BVS- Biblioteca Virtual de Saúde em Enfermagem, Portugal
ISIDORE SCIENCE
Free Medical Books
arXiv.org
Biblioteca Digital Mundial
BookBoon
ChemSpider
CLACSO – Rede de Bibliotecas Virtuais de Ciências Sociais da América Latina do Caribe
Dart-Europe E-Theses Portalart-Europe E-Theses Portal
DOAB – Directory of Open Access Books
FreeMedicalJournals
Flora-On
HighWire Press
IDEAS and Research Papers in Economics
NARCIS
OAPEN Library
OICRF – International Office of Cadastre and Land Records
Open Access Theses and Dissertations
PubMed Central – Biblioteca Digital de Medicina
Public Knowledge Project
Redalyc – Red de Revistas Científicas de América Latina y el Caribe, España y Portugal
SIL – SUMMER INSTITUTE OF LINGUISTICS
World Bank Open Knowledge Repository
European and Mediterranean Plant Protection Organization
OpenEdition
E-books do Centro de Estudos Judiciários
BASE: Bielefeld University Library
Bases de Dados da Embrapa
bioRxiv
Biomedcentral
CiteSeer – Scientific Literature Digital Library
CULTIVAR – Cadernos de análise e prospetiva
DBLP Computer Science BibliographyBLP Computer Science Bibliography
Eldis Gateway to Development Information
E-journal – Universidad Nacional Autonoma de Mexico
Hindawi Publishing Corporation
INTECH – Ebooks e periódicos
NDLTLD – Networked Digital Library of Theses and Dissertations
Optimization Online
Organic Eprints Archive
PLoS – Public Library of Science
SciELO Livros
Scielo Portugal
Scielo – Scientific Electronic Library Online
TEL (thèses-en-ligne)
VideoLectures. NET
Latindex
Revista de Recursos Hídricos
Unesco – Digital Library