Biblioteca Digital Camões
A repository of Portuguese-language culture, its main criterion is to provide a collection of digital or digitised documents for free reading, without the need for registration or subscription.
Biblioteca Nacional Digital
The National Digital Library provides universal and free access to digitised content from manuscripts and printed material – including books, periodicals, iconography, cartography and music – held by the National Library of Portugal.
SCIELO (Scientific Electronic Library Online) PORTUGAL
Virtual library that brings together a collection of Portuguese scientific journals with open access. The dates when full text becomes available vary depending on the publication.
DART – Europe E-Theses Portal
Directory of European scientific output. Includes the scientific output of more than 350 European universities
ROAR
Open Access Repositories Register
DOAB (Directory of Open Access Books)
Free access to peer-reviewed open access academic books, helping users find reliable open access book publishers.
Renates
National Register of Theses and Dissertations.
Diário da República
Portal da Imprensa Nacional – Casa da Moeda (INCM), which provides information completely free of charge.
IMPRESSA UNIVERSIDADE DE COIMBRA
The catalogue is divided into 30 specialised collections, in Open Science, Open Innovation and Openness to the World formats.
Eureka
Online catalogue of the European Council Library.