Open access is
Here are just a few resources for finding open access journals.
Open access STEM publications from Springer. covering various areas of science, technology, medicine, the humanities and social sciences.
This is a freely accessible site. Contents may change without warning.
PubMed, a service of the National Library of Medicine, provides access to MEDLINE citations back to the mid-1960's and additional life science journals. It also includes links to many sites providing full text articles and other related resources.
This is a freely accessible site. Contents may change without warning.