Open Access is the practice of providing online access to scientific information (articles, monographs, research data and other research outputs) that is free of charge to the reader, and licensed so that they can be further used and exploited by researchers, the industry and citizens.
DOAJ is an online directory that indexes and provides access to high quality,
open access, peer-reviewed journals.
DOAB is an online directory that provides access to academic peer-reviewed books and chapters from 195 publishers.
SHERPA Services helping authors and institutions make informed and confident decisions in open access publication and compliance.
SHERPA/RoMEO enables researchers and librarians to see publishers' conditions for open access archiving on a journal-by-journal basis.
SHERPA RoMEO is an online resource that aggregates and analyses publisher open access policies from around the world and provides summaries of self-archiving permissions and conditions of rights given to authors on a journal-by-journal basis.
SHERPA/JULIET enables researchers and librarians to see funders' conditions for open access publication
SHERPA Juliet is a searchable database and single focal point of up-to-date information concerning funders' policies and their requirements on open access, publication and data archiving.
OpenDOAR is the quality-assured global directory of academic open access repositories.
OpenDOAR enables the identification, browsing and search for repositories, based on a range of features, such as location, software or type of material held.
EMU DSpace, the digital archive of Estonian University of Life Sciences has also joined the catalog since 2017.
OpenAIRE (Open Access Infrastructure for Research in Europe) is a collaborative European effort working towards a common goal to bring a change in realizing open access for the benefit of innovation, industry and society.
OpenAIRE Horizon2020 FactSheets:
Open Access and Open Data in Horizon 2020
OpenAIRE Guide for Researchers in EC Funded Projects
Open Research Data Pilot in Horizon 2020
Since 2009 the National Open Access Desk for Estonia is the University of Tartu Library.