Freely available information resources

Search tools

BASE – a search tool that searches open and licensed scientific and scholarly resources.
It is possible to limit the search to OA resources only. Publications that appear as unavailable in the tool may be accessible within the licensed CU EIRs.

Google Scholar – a search tool for scientific and scholarly resources containing links to full texts in the original EIRs.
The tool searches for freely available and licensed resources.

OASIS – a search tool for open educational content (textbooks, courses, audiobooks, interactive simulations...).

Full-text EIRs

DOAJ [Directory of Open Access Journals] – peer-reviewed scientific and scholarly OA journals and OA articles.

DOAB [Directory of Open Access Books] – peer-reviewed scientific and scholarly OA books.

EZB [Electronic Journals Library] – directory of scientific and scholarly e-journals (full-text accessibility indicated by color; green = freely available).
Publications that appear as inaccessible in the tool (red) may be accessible within the licensed CU EIRs.

Comenius University Institutional Repository – full texts of publications produced by Comenius University and authors working at the university.

Czech Digital Library – freely available resources from various libraries in the Czech Republic; contains monographs, manuscripts, periodicals, maps, music and graphics.

Czech Digital Mathematics Library – a portal developed and operated by the Institute of Mathematics of the Czech Academy of Sciences and other partners for the purpose of digitizing, preserving and making available the most significant part of mathematical literature published in the Czech Republic from the 19th century to the present day.

DIKDA [Digital Library and Digital Archive] – a full-text database containing digitized library and archival collections of the Slovak National Library (primarily Slovak books).

Elportál – e-publications by authors of Masaryk University in Brno.

Google Books – digitized books by Google.
Due to copyright and publishing rights, some pages/parts of individual publications are not accessible.

HathiTrust – a digital library containing more than 17 million digitized documents from various fields.

Internet Archive – a digital library containing various types of documents (books, articles, websites, videos...).

MIT OpenCourseWare – a collection of open educational resources (syllabi, lecture videos, lecture notes, assignments, exercises) from courses taught at the Massachusetts Institute of Technology.

Project Gutenberg – Project Gutenberg is the result of volunteer digitization and offers over 75,000 e-books.

ŠafárikPress Publishing House – UPJŠ Košice e-publications with a large number of freely available electronic publications.

University Library in Bratislava (ULIB) Digital Library – contains periodicals, old prints, music, manuscripts and monographs, especially those that are no longer protected under copyright law.

Unpaywall – a web browser add-on (Chrome, Firefox) that provides alternative access to full-text paid articles.
The tool retrieves content from OA journals and OA repositories.

World Digital Library – a world digital library, resources are divided by continents, countries, years of publication, scientific disciplines, document types and institutions.