DOAB (Directory of Open Access Books) is a discovery service for peer reviewed open access books and book publishers that indexes and provides access to high quality, open access, peer-reviewed books. Enthält mehr als 70.000 Bücher.
DOAJ (Open Access Journals) is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone. Enthält 19.736 Journals, 9.144.919 Article Records