FREE online sources for distance learning due to COVID19 - New addition (26/01/21)

We would like to inform you that the Library has gathered a list of freely available online sources and collections provided from various publishing offices. Our aim is to cover as much as we can the educational and research needs of all those who are in need in these difficult times.

Some of the resources will be available only for a specific time period as mentioned in purple, next to the source's description.

Note: The list will be continuously updated

Simultaneous research in free online resources

EDS platform (Ebsco Discovery Service). Some of the free online resources which are included in EDS are: Springer Nature 500 free ebooks, Jstor – Open Access, Project Muse open access, OAPEN Library , RePEc


 In Greek language

  • The "Kallipos" Repository
    The "Kallipos" Repository gathers books, handbooks and learning objects, which were either produced within the framework of the "Hellenic Academic Electronic (Text)books” project or submitted in the course of an open call for Open Access scientific content. The "Kallipos" repository aims at the organized presentation, storage and long-term preservation of open-access (text)books and learning objects for the academic and research community.

  • National Archive of PhD Theses
    The National Archive of PhD Theses provides access to the PhD theses from all Higher Education Institutions (HEIs) in Greece as well as PhD theses awarded to Greek scholars by foreign HEIs and certified by the Hellenic NARIC.

    The largest portal providing a single point of access to Greek scientific digital content of high quality. Content providers are academic and research institutions, archives, libraries and scientific societies from Greece and Cyprus.

  • e-Reading Room NLG
    National Library of Greece's collection of 2.500 online greek book titles. Registration is required.

In other languages


  • New! Institution of Engineering Technology
    over 40 journals, covering a wide range of engineering and technology fields have been transitioned to fully gold Open Access as part of a publishing partnership with Wiley. The latest content from the IET journals is now accessible through the new IET Research hub page on Wiley Online Library.

  • Taylor & Francis Open Access Books
    are published across all subject areas, our strengths are in Society & Social Sciences and Humanities.We have also built collections in subject specific areas and collections for universities and funders who have a large amount of book content to open access.


  • ANU Press
    ANU Press is Australia’s first open-access university press. Our authors publish peer-reviewed research on a broad range of topics including Asia and Pacific studies, Australian politics, humanities, arts, Indigenous studies and science.



  • OAPEN Library
    Open Access academic books, mainly in the area of humanities and social sciences.

  • Project Gutenberg
    A library of over 60.000 free ebooks, available to download or read them online.


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