African Journals OnLine (AJOL) is the world's largest and preeminent platform of African-published scholarly journals. AJOL is a non-profit organisation that (since 1998) works to increase global & continental online access, awareness, quality & use of African-published, peer-reviewed research.
The DOAJ (Directory of Open Access Journals) was launched in 2003 with 300 open access journals. Today, this independent database contains over 16 500 peer-reviewed open access journals covering all areas of science, technology, medicine, social sciences, arts and humanities.
Their 352 diverse, peer-reviewed, open access journals include
PLOS is a nonprofit, Open Access publisher empowering researchers to accelerate progress in science and medicine by leading a transformation in research communication.
PLOS publishes a suite of influential Open Access journals across all areas of science and medicine. Rigorously reported, peer reviewed and immediately available without restrictions, promoting the widest readership and impact possible.
Project MUSE offers open access (OA) books, journals, and digital humanities works from several distinguished university presses, scholarly societies, and independent not-for-profit academic publishers. Through their open access hosting programs, they are able to offer publishers a platform for their OA content which ensures visibility, discoverability, and wide dissemination. These materials are freely available to libraries and users around the world.
The Scientific Electronic Library Online (SciELO) SA is South Africa’s premier open-access (free to access and free to publish) searchable full-text journal database in service of the South African research community. The database covers a selected collection of peer-reviewed South African scholarly journals and forms an integral part of the SciELO Brazil project. SciELO SA is managed by the Academy of Science of South Africa (ASSAf), funded by the South African Department of Science and Technology and endorsed by the South African Department of Higher Education and Training (DHET).