EBSCO is a leading provider of research databases, e-journal and e-package subscription management, book collection development and acquisition management, and a major provider of library technology, e-books and clinical decision solutions for universities, colleges, hospitals, corporations, government, K12 schools and public libraries worldwide. 

OER Commons is a public digital library of open educational resources. Explore, create, and collaborate with educators around the world to improve curriculum. 

DOAB is a community-driven discovery service that indexes and provides access to scholarly, peer-reviewed open access books and helps users to find trusted open access, book publishers. All DOAB services are free of charge and all data is freely available. 

Open textbooks are licensed by authors and publishers to be freely used and adapted. Download, edit and distribute them at no cost. 

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. 

SpringerOpen journals and books are made freely and permanently available online immediately upon publication. They are subject to high-level peer review, author, and production services ensuring the quality and reliability of the work. 

Frontiers is a leading Open Access Publisher and Open Science Platform. The journals are led and peer-reviewed by editorial boards of over 100,000 top researchers. Covers more than 600 academic disciplines, one of the largest and highest-cited publishers in the world

Brill’s publications focus on the Humanities and Social Sciences, International Law, and selected areas in the Sciences. 

PQDT Open provides the full text of open access dissertations and theses free of charge. 

OATD is a resource for finding open access graduate theses and dissertations published around the world

PHL CHED CONNECT A web application that contains higher education course materials in text, media and other digital assets that are useful for teaching, learning and research purposes.