Directory of Open Access Books (DOAB)

The Directory of Open Access Books (DOAB) is a discovery service for peer reviewed books published under an open access license. DOAB provides a searchable index to the information about these books, with links to the full texts of the publications at the publisher's website or repository.

Directory of Open Access Journals (DOAJ)

The Directory of Open Access Journals (DOAJ) lists free, full text, quality controlled scientific and scholarly journals, covering all subjects and languages.

OpenDOAR

OpenDOAR is an authoritative directory of academic open access repositories. Contain digital collections that preserve and provide access of intellectual output of an institution, and content varies i.e. could be open or closed, though open is encouraged today.EachOpenDOAR repository has been visited by project staff to check the information that is recorded there. This in-depth approach does not rely on automated analysis and gives a quality-controlled list of repositories.

As well as providing a simple repository list, OpenDOAR lets you search for repositories or search repository contents