Directory of Open Access Journals , “DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals. All DOAJ services are free of charge including being indexed. All data is freely available.
Internet Archive OER , provide free access to researchers, historians, scholars, the print disabled, and the general public.
Open Humanities Press , is an international community of scholars, editors and readers with a focus on critical and cultural theory.
Open Knowledge Repository (The World Bank) , “The World Bank is the largest single source of development knowledge. The World Bank Open Knowledge Repository (OKR) is The World Bank’s official open access repository for its research outputs and knowledge products.”
ScholarWorks , “ScholarWorks, a service of the University of Montana Mansfield Library, centralizes, preserves, and provides access to the research, creative scholarship, and unique resources produced and curated by University of Montana faculty, students, and staff. ScholarWorks makes these resources easier to find, share, and use.”
Ubiquity Press , “Ubiquity Press is an open access publisher of peer-reviewed academic journals, books and data. We operate a highly cost-efficient model that makes quality open access publishing affordable for everyone.”
"Directory of Open Access Journals" by MMULibrary (Manchester Metropolitan University Library).