BioMed Central (BMC) – Medicine
https://www.biomedcentral.com/
BioMed Central contains research in progress in medicine, physical sciences, and other subjects from high quality peer-reviewed journals. It is an open access resource provided by Springer Nature.
Directory of Open Access Journals (DOAJ) – Full Text E-Journals
This resource contains free access to 6 million articles from 15,000 peer-reviewed journals published worldwide on science, technology, medicine and the arts. DOAJ includes journals in different languages, and is funded by many libraries, publishers, and organisations that support open access research.
Hindawi Journals - Full Text E-Journals
https://www.hindawi.com/journals/
Hindawi publishes over 700 peer-reviewed Open Access journals, covering areas of medicine science, technology, and some areas of social science.
Additional options for sourcing full text journal articles:
Research Gate – Research Portal
Gateway for international research where you can search for an author or publication. If you register and login you can request a copy of a paper directly from the author.
Open Access Button
A browser bookmark which registers when people hit a paywall to an academic article and cannot access it. It attempts to source open access versions of academic articles.